Eri, who met with her teacher, Mr. Shiroshima, was moved by his figure, who was still enthusiastic about education, and her feelings of love flared up again. One day, Eri, overflowing with happiness, is brutally fucked by Shiroshima, who suddenly changed. Shiroshima's abnormal behavior, which continues to thrust her with intense piston movements while she cries, doesn't stop there, and he endlessly trains Eri with irrumatio and a vibrator.