Ryuichi, an office worker, gets into a fight with his girlfriend Kota, a bartender, and chases him through the streets. At that moment, he receives a violent impact on his back and collapses. Ryuichi wakes up to Kota's voice. Apparently he came to the lakeside with Kota and fell asleep. However, he only came to this lakeside a year ago when I met him...
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.
One night. When Mayumi heads to the bathroom in the middle of the night, her stepson Masayuki peeks at her through the gap..
