A Story about a Boy Who Crossdresses Every Day for the Sake of His Favorite Female Teacher, Sukina Onna Kyoushi no Tame ni xx suru Danshi Seito no Hanashi, Sukina Onna Kyoushi no Tame ni ×× suru Danshi Seito no Hanashi, 好きな女教師のために××する男子生徒の話