Over the course of the summer until her graduation, with changes she can't control but also being protected by the mochi which looks over important times, Yuna, a 15-year old student begins to change so that she will not forget.
| Actor | Role |
|---|---|
| YYuna SatoNot listed | Not listed |
| JJim YomogidaNot listed | Not listed |
| SShiro SatoNot listed | Not listed |