This is light novel written by Kihara Hirokatsu, only the last chapter is in the manga format.

1. Kao
2. Toshoshitsu
3. Umi kara...
4. O-Bon
5. Engeki Happyoukai
6. Folk Dance
7. Shichigosan
8. Yuki no Futta Hi
9. Kuchibiru
10. Natsu no Sotsugyou Ryouko (The Summer Time Graduation Trip) - manga