incest, mother of a big ass, swapping, windy yumi, mihara sakiko.

○ Ippei and Hiroyuki spent their apathy even after graduation because they couldn't connect the fence at the last tournament that participated as an athletics club of the school. One day, Kazuhira reveals to Hiroyuki the reason why he couldn't connect a coffin. On the day before the tournament, she could not run as if she had a fierce relationship with her mother, Sakiko. And the relationship is still going on. Hiroyuki doesn't get angry when he hears it, but is just jealous. He was sympathetic to his mother-in-law, Yumi. Ippei asks Hiroyuki to cooperate in order to connect the bond of courage.