Ono Shinji

Momoko Sakurada, a super beautiful girl, is an idol at the school. She even has a fan club called "Association to Protect Momoko's Purity!" The leader of the group, Keiichi Todo, worships Momoko as a goddess, but she is also favored by her childhood friend, and whether she is serious or joking, she is even boldly seduced. One day, there is a disappointing rumor about Momoko. Was it just a boy's fantasy that she was innocent?!

Tamasaburo has finally gotten up the courage to ask out Kanako, and to his surprise she said yes! But then a freak accident happens and he takes the classic injury to the groin. However, because this is a manga, you can expect something strange to have happened. Sure enough, Tamasaburo’s accident has turned him into a girl! So now what can he do? (Synopsis taken from mangaupdates.com)

Okamoto Jun, a wild child in the second year of junior high school, has transferred to Shirasagi Gakuen, a prestigious tennis school. Out of all things, he calls tennis a "fly swatter," angering the proud tennis club. After being bullied by a beautiful female member, Jun joins the tennis club to vent her frustration.

Takarazuka is a gym teacher who wants to work in a girls high school in the worst way, and of course for the worst reasons. He's a lech, and when he finally lands his dream job, he's looking forward to being surrounded by beautiful and occasionally naked girls.