Bad at sports, Takeshi and Ryo, a gay couple, get together with Akira and Mitsuo, another gay couple, to participate in a beach volleyball tournament all the while Ryo is set to meet a man he met on a dating site. As the tension grows, Takeshi's older sister, Rika, shows up with her lover, Yuichi, who was the captain of the volleyball club in high school.
| Actor | Role |
|---|---|
| TTakahiro FukutaniTakeshi | Takeshi |
| YYasunari KubotaRyo | Ryo |
| OObihiro KitagawaMitsuo | Mitsuo |
| HHirofumi MutsukawaAkira | Akira |
| MMasahiko ShiraishiNarahashi | Narahashi |
 Kazu ItsukiYuichi | Yuichi |
| MMirai NobuyamaRika | Rika |
| KKoichiro TakagiTakeshi's father | Takeshi's father |
 Yumi YoshiyukiTakeshi's mother | Takeshi's mother |