At an all female high school, a senior of the radio club becomes fascinated with the club's newest member. As graduation nears and the summer heat rises, so does the sexual tension between the girls.
| Actor | Role |
|---|---|
 Aoi MorikawaManami Shintani | Manami Shintani |
 Mugi KadowakiChiyuki Mitsuzuka | Chiyuki Mitsuzuka |
 Maaya KondoAi Morino | Ai Morino |
 Aoi YoshikuraKazumi Oda | Kazumi Oda |
 Ayuri KonnoMayu Nishino | Mayu Nishino |
| TTsukina TakaiAyane Muraguchi | Ayane Muraguchi |
 Yuko ArakiFutaba Eriguchi | Futaba Eriguchi |
 Minako KotobukiIkumi Motonishi | Ikumi Motonishi |
 Tomoharu HasegawaYukiya | Yukiya |
 Saki HagiyamaTakamura | Takamura |
| KKaho IshidoRio Shimizu | Rio Shimizu |
| MMizuki MasudaMiki Yamane | Miki Yamane |
| SSara NaitôFumina Eguchi | Fumina Eguchi |