Naho, who plans to graduate from university this spring, is visiting an alma mater as a teaching student. However, the school has turned into a devilish cave that both teachers and students do. One day, when I take a rebellious attitude to the north of the grade chief, Naho is ringed to the north, and it is embroiled in the students saying, "What you lack is the experience. , Video was also taken, I had to listen to the thing that Naho say .... The black goldsmiths who lent money further to the north also appeared, and the sexual education practice of the anus crying continued.

この春に大学を卒業予定のななほは、教育実習生として母校に赴いていた。しかし、その学校は教師も生徒も素行の悪い魔窟と化していた。ある日、学年主任の北に反抗的な態度を取ると、ななほは北に輪わされ「君に足りないのは経験だ…定時制の授業も手伝え」と生徒達にも組み敷かれ、映像も撮られ、ななほは言うコトを聞くしかなかった…。更に北に金を貸していた闇金業者の輩達も現れ、阿鼻叫喚の性的教育実習が続く事に!