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Mitsuru dressed as the woman Mitsuko finds himself sitting in a school assembly. The cute teacher Keiko encourages him. He thinks back recalling how he found Mitsuko's skeleton in a cave, and assumed her identity. Now he finds himself having to teach a class of toughs. He wants to quit, but Keiko is always there urging him to stay.

Kamiya's dad is abusing her and her mom. Higuma thinks his mom thinks he is fat. Mitsuru is trying to keep his cosplay form from being noticed. He inadvertently stops Kamiya's dad, and helps Higuma understand his mom loves him.

Mitsuru and Keiko's classes go to a hot spring. Mitsuru struggles to hide the fact that he is a man. Koyama ends up tied to a cross. Mitsuru saves his life, but is someone trying to kill Mitsuru?

Keiko shows up drunk at Mitsuru's door, and stays the night. Mitsuru dresses as a man, but gets caught by the yakuza he owes money to. Kiryuu tails Shoko to a cabaret, but gets caught by the yakuza. Mitsuru must rescue them all.

It turns out Keiko is not at all what she seems. She shows up at Mitsuru's up to no good, but his newfound powers protect him. There is a swimming competition at school. Mitsuru gets sucked into a vent, ends up naked, and the whole student body sees him.

Keiko kidnaps 6 of Mitsuru's students. Mitsuru rescues them. Keiko and he go to the woods. She puts on a mask, and attacks him, but by giving control to Mitsuko, they defeat Keiko. He finds Mitsuko's skeleton, and gives back the ring, becoming himself again. His students cry thinking Mitsuko is dead, but when Mitsuru pops up, they chase him. He becomes a nun, but the churchgoers turn out to be his students as wild as ever.