Eri, who was to meet Jojima, her former teacher, was deeply moved by his unchanging enthusiasm for education, and her love flared up again.One day, Eri, who is overflowing with happiness, is ravaged by a sudden change in Jojima.Jojima's abnormal behavior, which thrusts her crying girl with a violent piston in her other places, does not stop there, but trains her Eri endlessly with Irama and vibes.