本編の1年半前の物語
| Name | Type | Role | |
|---|---|---|---|
| Hina Kawata | Guest Star | 河田陽菜 | |
| Konoka Matsuda | Guest Star | 松田好花 | |
| Nao Kosaka | Guest Star | 小坂菜緒 | |
| Manamo Miyata | Guest Star | 宮田愛萌 | |
| Suzuka Tomita | Guest Star | 富田鈴花 | |
| Akari Nibu | Guest Star | 丹生明里 | |
| Miku Kanemura | Guest Star | 金村美玖 | |
| Hiyori Hamagishi | Guest Star | 濱岸ひより |