Featuring stories from the manga not adapted in the main anime.
| Actor | Role |
|---|---|
 Yoshitsugu MatsuokaFuutarou Uesugi (voice) | Fuutarou Uesugi (voice) |
 Kana HanazawaIchika Nakano (voice) | Ichika Nakano (voice) |
 Ayana TaketatsuNino Nakano (voice) | Nino Nakano (voice) |
 Miku ItoMiku Nakano (voice) | Miku Nakano (voice) |
 Ayane SakuraYotsuba Nakano (voice) | Yotsuba Nakano (voice) |
 Inori MinaseItsuki Nakano (voice) | Itsuki Nakano (voice) |
 Natsumi TakamoriRaiha Uesugi (voice) | Raiha Uesugi (voice) |
 Satomi AraiKiku-chan (voice) | Kiku-chan (voice) |
 Kohsuke ToriumiManager (voice) | Manager (voice) |
| HHayato ItoMaeda (voice) | Maeda (voice) |
 Soma SaitoTakeda (voice) | Takeda (voice) |
 Aya UchidaMatsui (voice) | Matsui (voice) |
 Iori SaekiTsubaki (voice) | Tsubaki (voice) |
 Hitomi SasakiAoi (voice) | Aoi (voice) |
 Yuta AokiYamauchi (voice) | Yamauchi (voice) |
 Wataru TsuyuzakiAttendant (voice) | Attendant (voice) |
 Ryusei IshidaMan (voice) | Man (voice) |
 Ayaka OhnishiWoman A (voice) | Woman A (voice) |
 Sakura KimuraWoman B (voice) | Woman B (voice) |