After-School Sweets Club[]
Kurimura Airi[]
During the -ive aLIVE! event, Tsumugi was met by Airi while she was resting somewhere outside. Airi came to express her concerns about the upcoming Trinity Festival and wanted a few song recommendations she and her friend could play that would guarantee high marks from the judges. Though Tsumugi was willing to give her a few songs, she told Airi to not be controlled by fear and impatience. She hoped Airi would keep that in mind.
SCHALE[]
Sensei[]
During the -ive aLIVE! event, Sensei was with Airi looking for Tsumugi. Although Sensei's first perception of Tsumugi was odd, they knew she wanted to help.
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| V • T • E Relationship (Non-Playable Students) | |
|---|---|
| SCHALE | Arona • Plana |
| GSC | GSC President • Rin • Momoka • Kaya • Ayumu • Aoi • Haine • Sumomo |
| Abydos | Yume |
| Gehenna | Erika |
| Millennium | Mirai |
| Trinity | |
| Hyakkiyako | Niya • Ayame • Nagusa • Arata • Kokuriko • Shuro • Kuzunoha |
| Shanhaijing | Kaguya • Kai |
| Red Winter | Takane • Yakumo |
| Valkyrie | Konoka |
| SRT | Yukino • Niko • Kurumi • Otogi |
| Arius | |
| Kronos | Mai • Shinon |
| Highlander | Suou |
| Wild Hunt | Tsumugi |
| Other Students | Sora • Rabu • Akira • Akemi • Smiling Professor |
| Other Characters | |