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Ha ha ha...! Great power...! What? Great responsibility? What is that?

~ Kurosaki Koyuki, to Sensei

Kurosaki Koyuki (黒崎コユキ) is one of the students studying at Millennium Science School who wields a machine gun.

She is a member of Seminar.

Profile[]

Introduction[]

Koyuki is a troublemaker who has returned to Millennium's student council Seminar. She has a natural talent for deciphering mathematical codes, but she seems to be completely unaware of it...

A prodigious cryptanalyst who can crack even the toughest digital encryption systems through nothing more than her intuition. Due to the frequency of her encounters with C&C and her general harmlessness, Koyuki is somewhat on friendly terms with C&C and even calls the members of C&C "Senpai." Her nickname is "White Rabbit."

Personality[]

Arguably the most irresponsible known student in Kivotos. She seemingly never acknowledges her mistakes and almost always considers what she's doing to be right. This nature of hers causes numerous major problems for Millennium. She also often sticks her nose in other people's business, uncovering others' secrets without their permission simply for fun. Althrough, Koyuki expressed guilt and embarrassment when she discovered numerous adult magazines that were confiscated from other students.

Appearance[]

Koyuki has pink hair that's tied off into twintails. Her eyes are magenta with a large yellow sparkle. During her initial debut in Bunny Chaser on Board, Koyuki has pink and yellow hair that's tied off into low twintails and two buns.

Halo[]

Koyuki's halo is a pink circle with two spikes at opposite ends. In the center is a six-tooth cog.

Uniform[]

During the events of Bunny Chaser on Board, Koyuki wears a white tailcoat, a black leotard, a Millennium access badge, white tights, and black high heels. The inner side of her tailcoat is black with a pattern of yellow crosses. Around her neck is a detached collar and the standard Millennium necktie.

She wears white half-palm gloves and carries a white and black top hat that is yellow inside, though she does not wear. Instead, she wears a pair of black and yellow rabbit ears, completing her playboy bunny look.

Firearm[]

She uses a pink (formerly yellow or golden) M60E6 general-purpose machine gun with a black barrel and gas tube. An ammunition counter is present on the "drum" magazine. The Millennium insignia is imprinted on the stock and the magazine.

Combat[]

Skills[]

V • T • E Tricky Variables Cost:4
KOYUKI EX-SKILL
  • LV01 ~ Deals DMG by throwing 1 random bomb at enemies within a round-shaped area.
    Bullet: Deals 233% of ATK as DMG.
    Electric Field: Deals 221% of ATK as DMG.
    Flame: Deals 209% of ATK as DMG.
  • LV02 ~ Deals DMG by throwing 1 random bomb at enemies within a round-shaped area.
    Bullet: Deals 268% of ATK as DMG.
    Electric Field: Deals 255% of ATK as DMG.
    Flame: Deals 241% of ATK as DMG.
  • LV03 ~ Deals DMG by throwing 1 random bomb at enemies within a round-shaped area.
    Bullet: Deals 339% of ATK as DMG.
    Electric Field: Deals 321% of ATK as DMG.
    Flame: Deals 304% of ATK as DMG.
  • LV04 ~ Deals DMG by throwing 1 random bomb at enemies within a round-shaped area.
    Bullet: Deals 374% of ATK as DMG.
    Electric Field: Deals 354% of ATK as DMG.
    Flame: Deals 335% of ATK as DMG.
  • LV05 ~ Deals DMG by throwing 1 random bomb at enemies within a round-shaped area.
    Bullet: Deals 444% of ATK as DMG.
    Electric Field: Deals 421% of ATK as DMG.
    Flame: Deals 398% of ATK as DMG.

V • T • E Did You Think You Were Alone? Skill Icons
BOUNCE
  • LV01 ~ Deals 202% of ATK as DMG to 1 target and up to 2 additional nearby enemies every 30 sec. Reload instantly.
  • LV02 ~ Deals 212% of ATK as DMG to 1 target and up to 2 additional nearby enemies every 30 sec. Reload instantly.
  • LV03 ~ Deals 223% of ATK as DMG to 1 target and up to 2 additional nearby enemies every 30 sec. Reload instantly.
  • LV04 ~ Deals 263% of ATK as DMG to 1 target and up to 2 additional nearby enemies every 30 sec. Reload instantly.
  • LV05 ~ Deals 273% of ATK as DMG to 1 target and up to 2 additional nearby enemies every 30 sec. Reload instantly.
  • LV06 ~ Deals 283% of ATK as DMG to 1 target and up to 2 additional nearby enemies every 30 sec. Reload instantly.
  • LV07 ~ Deals 324% of ATK as DMG to 1 target and up to 2 additional nearby enemies every 30 sec. Reload instantly.
  • LV08 ~ Deals 334% of ATK as DMG to 1 target and up to 2 additional nearby enemies every 30 sec. Reload instantly.
  • LV09 ~ Deals 344% of ATK as DMG to 1 target and up to 2 additional nearby enemies every 30 sec. Reload instantly.
  • LV10 ~ Deals 385% of ATK as DMG to 1 target and up to 2 additional nearby enemies every 30 sec. Reload instantly.

V • T • E Do You Believe In Miracles? Skill Icons
WEAPON-BUFF
  • LV01 ~ Increases ATK by 14%.
  • LV02 ~ Increases ATK by 14.7%.
  • LV03 ~ Increases ATK by 15.4%.
  • LV04 ~ Increases ATK by 18.2%.
  • LV05 ~ Increases ATK by 18.9%.
  • LV06 ~ Increases ATK by 19.6%.
  • LV07 ~ Increases ATK by 22.4%.
  • LV08 ~ Increases ATK by 23.1%.
  • LV09 ~ Increases ATK by 23.8%.
  • LV10 ~ Increases ATK by 26.6%.

V • T • E Chaos Theory Skill Icons
WEAPON-BUFF
  • LV01 ~ Increases ATK based on the grenade thrown when using EX-Skills (40 sec).
    Bullet: Increases ATK by 15.3%.
    Electric Field: Increases ATK by 14.5%.
    Flame: Increases ATK by 13.7%.
  • LV02 ~ Increases ATK based on the grenade thrown when using EX-Skills (40 sec).
    Bullet: Increases ATK by 16.1%.
    Electric Field: Increases ATK by 15.2%.
    Flame: Increases ATK by 14.4%.
  • LV03 ~ Increases ATK based on the grenade thrown when using EX-Skills (40 sec).
    Bullet: Increases ATK by 16.8%.
    Electric Field: Increases ATK by 15.9%.
    Flame: Increases ATK by 15%.
  • LV04 ~ Increases ATK based on the grenade thrown when using EX-Skills (40 sec).
    Bullet: Increases ATK by 19.9%.
    Electric Field: Increases ATK by 18.8%.
    Flame: Increases ATK by 17.8%.
  • LV05 ~ Increases ATK based on the grenade thrown when using EX-Skills (40 sec).
    Bullet: Increases ATK by 20.6%.
    Electric Field: Increases ATK by 19.6%.
    Flame: Increases ATK by 18.5%.
  • LV06 ~ Increases ATK based on the grenade thrown when using EX-Skills (40 sec).
    Bullet: Increases ATK by 21.4%.
    Electric Field: Increases ATK by 20.3%.
    Flame: Increases ATK by 19.2%.
  • LV07 ~ Increases ATK based on the grenade thrown when using EX-Skills (40 sec).
    Bullet: Increases ATK by 24.5%.
    Electric Field: Increases ATK by 23.2%.
    Flame: Increases ATK by 21.9%.
  • LV08 ~ Increases ATK based on the grenade thrown when using EX-Skills (40 sec).
    Bullet: Increases ATK by 25.2%.
    Electric Field: Increases ATK by 23.9%.
    Flame: Increases ATK by 22.6%.
  • LV09 ~ Increases ATK based on the grenade thrown when using EX-Skills (40 sec).
    Bullet: Increases ATK by 26%.
    Electric Field: Increases ATK by 24.6%.
    Flame: Increases ATK by 23.3%.
  • LV10 ~ Increases ATK based on the grenade thrown when using EX-Skills (40 sec).
    Bullet: Increases ATK by 29.1%.
    Electric Field: Increases ATK by 27.5%.
    Flame: Increases ATK by 26%.


V • T • E Skill Status (Hover Over) Status Effect
EX-Skill Normal Passive Sub UE
Cross 2 Cross 2

Buff - ATK

Buff - ATK Attack Up
Buff
Increase attack damage

Buff - ATK

Buff - ATK Attack Up
Buff
Increase attack damage

Buff - ATK

Buff - ATK Attack Up
Buff
Increase attack damage

Growth Material[]

EX-SkillV • T • EGrowth Material
Koyuki EX
LV02
x12
Millennium EX-Skill Disc 0
x12
Voynich 0
x80K
Gold
LV03
x12
Millennium EX-Skill Disc 1
x18
Millennium EX-Skill Disc 0
x13
Voynich 1
x31
Crystal Haniwa 0
x500K
Gold
LV04
x12
Millennium EX-Skill Disc 2
x18
Millennium EX-Skill Disc 1
x11
Voynich 2
x24
Crystal Haniwa 1
x3M
Gold
LV05
x8
Millennium EX-Skill Disc 3
x18
Millennium EX-Skill Disc 2
x6
Voynich 3
x20
Crystal Haniwa 2
x10M
Gold

Other-Skills (Normal / Passive / Sub)V • T • EGrowth Material
BOUNCE
LV02
x5
Millennium Skill Book 0
x5000
Gold
LV03
x8
Millennium Skill Book 0
x7500
Gold
LV04
x5
Millennium Skill Book 1
x12
Millennium Skill Book 0
x4
Voynich 0
x60K
Gold
WEAPON-BUFF
LV05
x8
Millennium Skill Book 1
x4
Voynich 1
x14
Crystal Haniwa 0
x90K
Gold
LV06
x5
Millennium Skill Book 2
x12
Millennium Skill Book 1
x10
Voynich 1
x18
Crystal Haniwa 0
x300K
Gold
LV07
x8
Millennium Skill Book 2
x3
Voynich 2
x14
Crystal Haniwa 1
x450K
Gold
WEAPON-BUFF
LV08
x8
Millennium Skill Book 3
x12
Millennium Skill Book 2
x4
Voynich 3
x8
Crystal Haniwa 2
x1.5M
Gold
LV09
x12
Millennium Skill Book 3
x8
Voynich 3
x14
Crystal Haniwa 2
x2.4M
Gold
LV10
x1
Ultimate Skill Book
x4M
Gold

Unique Equipment[]

V • T • E Mulli・Gun (マリ・ガン) Firearm
Koyuki UE A machine gun that has overcome all kinds of hardships together with Koyuki.
It changed its color when it was sent for repair once. It is a sturdy gun, just like Koyuki, who does not care about trivial things.

V • T • E Limit Break Firearm
Koyuki UE Star 2 IconStar 2 Icon Passive skill enhanced to "Do You Believe In Miracles?+"
Star 2 IconStar 2 IconStar 2 Icon City Icon⁠ enhancement to Outstanding Icon
Star 2 IconStar 2 IconStar 2 IconStar 2 Icon
Star 2 IconStar 2 IconStar 2 IconStar 2 IconStar 2 Icon

V • T • E Stats Firearm
Koyuki UE LV01 LV30 LV40 LV50 LV60 LV70
ATK 153 555 693 832 970 1109
HP 537 1952 2440 2927 3415 3903

V • T • E Do You Believe In Miracles?+ Firearm
Koyuki UE
  • LV01 ~ Increases ATK by 417. Also increases ATK by 14%.
  • LV02 ~ Increases ATK by 438. Also increases ATK by 14.7%.
  • LV03 ~ Increases ATK by 459. Also increases ATK by 15.4%.
  • LV04 ~ Increases ATK by 542. Also increases ATK by 18.2%.
  • LV05 ~ Increases ATK by 563. Also increases ATK by 18.9%.
  • LV06 ~ Increases ATK by 583. Also increases ATK by 19.6%.
  • LV07 ~ Increases ATK by 667. Also increases ATK by 22.4%.
  • LV08 ~ Increases ATK by 688. Also increases ATK by 23.1%.
  • LV09 ~ Increases ATK by 708. Also increases ATK by 23.8%.
  • LV10 ~ Increases ATK by 792. Also increases ATK by 26.6%.

Unique Item[]

Kurosaki Koyuki does not have Unique Item.

Bond[]

Affection Rank BonusV • T • EAffection
Cotton Candy Island
Memorial Lobby
Bond
Blue Font 8
Total Stats ~ ATK+227 / HP+1005
LV02 ~ 05ATK+3
LV06 ~ 10ATK+5
LV11 ~ 15ATK+7 / HP+47
LV16 ~ 20ATK+9 / HP+56
LV21 ~ 30ATK+2 / HP+10
LV31 ~ 40ATK+3 / HP+15
LV41 ~ 50ATK+6 / HP+24

Poll[]

Trivia[]

  • Koyuki is the first character to be introduced that isn't wearing her uniform until the "Final Chapter".
  • She is the first character with an EX Skill that involves an RNG mechanic that is not Crit.
    • Her EX Skill may be inspired by the Variable Grenade from Call of Duty: Advanced Warfare. The different but unique features of each of them are that CoD:AW's Variable Grenade can track and fly to a target before exploding, explode when hitting any surface, and stun enemies with a bright red light to detect them or just a blinding flash, while Koyuki's grenade can fire bullets in fully automatic. The similar features of both of them are that they can explode with a delay, and create an electrical/EMP field after exploding.
  • Koyuki's birthday is on Valentine's Day.
  • In her initial debut, she was kicked out from Seminar and as a result was treated as a fugitive. She returned to the Seminar fold by the time of Volume F.

Navigation[]

V • T • E Student by Schools
Abydos Icon Shiroko IconShiroko Riding IconShiroko Swimsuit IconShiroko Terror IconSerika IconSerika New Year IconSerika Swimsuit IconHoshino IconHoshino Swimsuit IconHoshino Armed IconNonomi IconNonomi Swimsuit IconAyane IconAyane Swimsuit Icon
Gehenna Icon Makoto IconIroha IconIbuki IconSatsuki IconChiaki IconHina IconHina Swimsuit IconHina Dress IconAko IconAko Dress IconIori IconIori Swimsuit IconChinatsu IconChinatsu Hot Spring IconAru IconAru New Year IconAru Dress IconMutsuki IconMutsuki New Year IconKayoko IconKayoko New Year IconKayoko Dress IconHaruka IconHaruka New Year IconHaruna IconHaruna New Year IconHaruna Gym IconJunko IconJunko New Year IconIzumi IconIzumi Swimsuit IconAkari IconAkari New Year IconFuuka IconFuuka New Year IconJuri IconSena IconKasumi IconMegu IconKirara Icon
Millennium Icon Yuuka IconYuuka Gym IconNoa IconKoyuki IconChihiro IconMaki IconHare IconHare Camp IconKotama IconKotama Camp IconNeru IconNeru Bunny Girl IconAsuna IconAsuna Bunny Girl IconKarin IconKarin Bunny Girl IconAkane IconAkane Bunny Girl IconToki IconToki Bunny Girl IconUtaha IconUtaha Cheerleader IconHibiki IconHibiki Cheerleader IconKotori IconKotori Cheerleader IconSumire IconHimari IconEimi IconEimi Swimsuit IconYuzu IconYuzu Maid IconMidori IconMidori Maid IconMomoi IconMomoi Maid IconAlice IconAlice Maid Icon
Trinity Icon Nagisa IconMika IconKazusa IconKazusa Band IconNatsu IconAiri IconAiri Band IconYoshimi IconYoshimi Band IconTsurugi IconTsurugi Swimsuit IconHasumi IconHasumi Gym IconMashiro IconMashiro Swimsuit IconIchika IconMine IconMine Idol IconHanae IconHanae Christmas IconSerina IconSerina Christmas IconHifumi IconHifumi Swimsuit IconAzusa IconAzusa Swimsuit IconKoharu IconKoharu Swimsuit IconHanako IconHanako Swimsuit IconReisa IconSuzumi IconUi IconUi Swimsuit IconShimiko IconSakurako IconSakurako Idol IconMari IconMari Gym IconMari Idol IconHinata IconHinata Swimsuit Icon
Hyakkiyako Icon Kaho IconChise IconChise Swimsuit IconRenge IconKikyou IconYukari IconShizuko IconShizuko Swimsuit IconPina IconUmika IconTsubaki IconTsubaki Guide IconMimori IconMimori Swimsuit IconKaede IconMichiru IconIzuna IconIzuna Swimsuit IconTsukuyo IconWakamo IconWakamo Swimsuit Icon
Shanhaijing Icon Kisaki IconMina IconShun IconShun Young IconKokona IconSaya IconSaya Casual IconRumi IconReijo Icon
Red Winter Icon Cherino IconCherino Hot Spring IconTomoe IconTomoe Qipao IconMarina IconMarina Qipao IconMinori IconMeru IconMomiji IconNodoka IconNodoka Hot Spring IconShigure IconShigure Hot Spring Icon
Valkyrie Icon Kanna IconKanna Swimsuit IconKirino IconKirino Swimsuit IconFubuki IconFubuki Swimsuit Icon
SRT Icon Miyako IconMiyako Swimsuit IconSaki IconSaki Swimsuit IconMoe IconMoe Swimsuit IconMiyu IconMiyu Swimsuit Icon
Arius Icon Saori IconSaori Swimsuit IconAtsuko IconAtsuko Swimsuit IconMisaki Unmask IconHiyori IconHiyori Swimsuit Icon
Schale Icon 3 Miku IconMisaka Mikoto IconShokuhou Misaki IconSaten Ruiko Icon


V • T • E Student by Clubs
Abydos High School
Countermeasures Committee Takanashi HoshinoSunaookami ShirokoShiroko TerrorKuromi SerikaOkusora AyaneIzayoi Nonomi
Event Variant Takanashi Hoshino (Swimsuit)Takanashi Hoshino (Armed)Sunaookami Shiroko (Riding)Sunaookami Shiroko (Swimsuit)Kuromi Serika (New Year)
Kuromi Serika (Swimsuit)Okusora Ayane (Swimsuit)Izayoi Nonomi (Swimsuit)
Gehenna Academy
Pandemonium Society Hanuma MakotoNatsume IrohaTanga IbukiKyougoku SatsukiMotomiya Chiaki
Disciplinary Committee Sorasaki HinaAmau AkoShiromi IoriHinomiya Chinatsu
Handyman 68 Rikuhachima AruAsagi MutsukiOnikata KayokoIgusa Haruka
Gourmet Research Society Kurodate HarunaAkashi JunkoShishidou IzumiWanibuchi Akari
School Lunch Club Aikiyo FuukaUshimaki Juri
Emergency Medicine Club Himuro Sena
Hot Spring Department Kinugawa KasumiShimokura Megu
Sparkle Club Yozakura Kirara
Event Variant Sorasaki Hina (Swimsuit)Sorasaki Hina (Dress)Amau Ako (Dress)Shiromi Iori (Swimsuit)Hinomiya Chinatsu (Hot Spring)
Rikuhachima Aru (New Year)Rikuhachima Aru (Dress)Asagi Mutsuki (New Year)Onikata Kayoko (New Year)Onikata Kayoko (Dress)Igusa Haruka (New Year)Kurodate Haruna (New Year)
Kurodate Haruna (Gym ver.)Akashi Junko (New Year)Shishidou Izumi (Swimsuit)Wanibuchi Akari (New Year)Aikiyo Fuuka (New Year)
Millennium Science School
Seminar Hayase YuukaUshio NoaKurosaki Koyuki
Veritas Kagami ChihiroKonuri MakiOmagari HareOtose Kotama
Cleaning&Clearing Mikamo NeruIchinose AsunaKakudate KarinMurokasa AkaneAsuma Toki
Engineering Department Shiraishi UtahaNekozuka HibikiToyomi Kotori
Gym Training Department Otohana Sumire
Paranormal Affairs Dept Akeboshi HimariIzumimoto Eimi
Game Development Dept Hanaoka YuzuSaiba MidoriSaiba MomoiTendou Alice
Event Variant Hayase Yuuka (Gym)Omagari Hare (Camp)Otose Kotama (Camp)Mikamo Neru (Bunny Girl)Ichinose Asuna (Bunny Girl)
Kakudate Karin (Bunny Girl)Murokasa Akane (Bunny Girl)Asuma Toki (Bunny Girl)Shiraishi Utaha (Cheerleader)Nekozuka Hibiki (Cheerleader)Toyomi Kotori (Cheerleader)Izumimoto Eimi (Swimsuit)Hanaoka Yuzu (Maid)Saiba Midori (Maid)Saiba Momoi (Maid)Tendou Alice (Maid)
Trinity General School
Tea Party Kirifuji NagisaMisono Mika
After-School Sweet Club Ibaragi YoshimiYutori NatsuKurimura AiriKyouyama Kazusa
Justice Realization Committee Kenzaki TsurugiHanekawa HasumiShizuyama MashiroNakamasa Ichika
Knight Hospitaller Aomori MineAsagao HanaeSumi Serina
Supplementary Lesson Dept Ajitani HifumiShirasu AzusaShimoe KoharuUrawa Hanako
Trinity Vigilante Uzawa ReisaMorizuki Suzumi
Library Committee Kozeki UiEndo Shimiko
Sisterhood Utazumi SakurakoIochi MariWakaba Hinata
Event Variant Kyouyama Kazusa (Band)Kurimura Airi (Band)
Ibaragi Yoshimi (Band)Kenzaki Tsurugi (Swimsuit)Hanekawa Hasumi (Gym)
Shizuyama Mashiro (Swimsuit)Aomori Mine (Idol)Asagao Hanae (Christmas)
Sumi Serina (Christmas)Ajitani Hifumi (Swimsuit)
Shirasu Azusa (Swimsuit)Shimoe Koharu (Swimsuit)
Urawa Hanako (Swimsuit)Kozeki Ui (Swimsuit)
Utazumi Sakurako (Idol)Iochi Mari (Gym)Iochi Mari (Idol)Wakaba Hinata (Swimsuit)
Hyakkiyako Alliance Academy
Yin-Yang Club Kuwakami KahoWaraku Chise
Hyakkaryouran Fuwa RengeKiryuu KikyouKadenokouji Yukari
Festival Mgt Committee Kawawa ShizukoAsahina PinaSatohama Umika
Etiquette Training Society Kasuga TsubakiMizuha MimoriIsami Kaede
Ninjutsu Research Dept Chidori MichiruKuda IzunaOono Tsukuyo
Seven Prisoners Kosaka Wakamo
Event Variant Waraku Chise (Swimsuit)Kawawa Shizuko (Swimsuit)
Kasuga Tsubaki (Guide)Mizuha Mimori (Swimsuit)Kuda Izuna (Swimsuit)Kosaka Wakamo (Swimsuit)
Shanhaijing Senior Secondary School
Xuanlong Office Ryuuge KisakiKonoe Mina
Training Support Dept Sunohara ShunSunohara Kokona
Chinese Alchemy Study Club Yakushi Saya
Xuanwu Merchant Association Akeshiro RumiKayama Reijo
Event Variant Sunohara Shun (Young)Yakushi Saya (Casual)
Red Winter Federal Academy
Red Winter Office Renkawa CherinoSashiro TomoeIkekura Marina
Public Workers Department Yasumori Minori
Knowledge Liberation Front Himeki MeruAkiizumi Momiji
No. 227 Special Class Amami NodokaMayoi Shigure
Event Variant Renkawa Cherino (Hot Spring)Sashiro Tomoe (Qipao)Ikekura Marina (Qipao)Amami Nodoka (Hot Spring)Mayoi Shigure (Hot Spring)
Valkyrie Police Academy
Public Safety Bureau Ogata Kanna
Life Safety Bureau Nakatsukasa KirinoNemugaki Fubuki
Event Variant Ogata Kanna (Swimsuit)Nakatsukasa Kirino (Swimsuit)Nemugaki Fubuki (Swimsuit)
SRT Special Academy
RABBIT Platoon Tsukiyuki MiyakoSorai SakiKazekura MoeKasumizawa Miyu
Event Variant Tsukiyuki Miyako (Swimsuit)Sorai Saki (Swimsuit)Kazekura Moe (Swimsuit)Kasumizawa Miyu (Swimsuit)
Arius Branch School
Arius Squad Joumae SaoriHakari AtsukoImashino MisakiTsuchinaga Hiyori
Event Variant Joumae Saori (Swimsuit)Hakari Atsuko (Swimsuit)Tsuchinaga Hiyori (Swimsuit)
Others
Collaboration Hatsune MikuMisaka MikotoShokuhou MisakiSaten Ruiko
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