Tsukigumo went on her first overnight study trip with her students after becoming a teacher. Before going to bed, when she returned from the bath, she found Uemura, a physics geek teacher, in her room for some reason. Uemura had always seen Tsukigumo as a woman, and Tsukigumo was unable to escape. She resisted, but they ended up having sex without her consent. However, although she was reluctant to do it, Uemura's huge dick and exquisite thrusts gradually made Tsukigumo climax over and over again. Even after returning to her daily life, Uemura relentlessly pressured her to have sex. It was gross... but her body couldn't forget it... Tsukigumo became addicted to Uemura's friction technique...