Imaru, a childhood friend who is also a member of the track and field club, is the manager, and although I act tough in front of him, I feel unreliable at school and am protected by him. One day, I made a mistake during a relay race and was severely criticized by the club members and the captain, but Imaru protected me. But I didn't know. I never thought that because of me, Imaru had been raped by everyone, and was even forced to drink aphrodisiacs, repeatedly climaxing while incontinent. And then I saw it all...