Shizuku Tsukishima is a middle school student in the 3rd grade. She likes to read books. Shizuku meets Seiji Amasawa, who goes to the same class and school as Shizuku.
| Actor | Role |
|---|---|
 Nana SeinoShizuku Tsukishima | Shizuku Tsukishima |
 Yōko MoriguchiAsako Tsukishima | Asako Tsukishima |
 Tori MatsuzakaSeiji Amasawa | Seiji Amasawa |
 Yuki YamadaTatsuya Sugimura | Tatsuya Sugimura |
 Rio UchidaYuko Harada | Yuko Harada |
 Kei TanakaSonomura | Sonomura |
 Masaomi KondoShiro Nishi | Shiro Nishi |
 Tsubasa NakagawaYoung Seiji Amasawa | Young Seiji Amasawa |
 Runa YasuharaYoung Shizuku Tsukishima | Young Shizuku Tsukishima |
 Takuma Otoo[Shizuku's Director] | [Shizuku's Director] |
 Marika Matsumoto[Shizuku's Senior] | [Shizuku's Senior] |