cerise's manga / #Gender Bender(2)

Prince Ryan is the secure heir of the throne from his kingdom due to his abilities and intelligence, even though he's the third son. There's been rumor that there are witches living in a village called "Uren" so Ryan goes to investigate along with some knights at a night with full moon. Suddenly Ryan spots a figure among the undergrowth and decides to chase after it, which leads him to a beautiful lady. The lady seduces the prince and they end up having sex. The Prince returns to his kingdom and meanwhile in Uren the beautiful lady, who doesn't counts with the full moon upon her anymore, turns into a pretty boy?!

Shion is a total playboy having sex with all the girls he hook up with, and he was living his best life until one day a mysterious woman appear and gives him a drug that turns him into a woman. His best friend Rui, also a playboy, finds him as a girl and has sex knowing that it's him. Later they find that Shion can turn back into man again through receiving an amount of semen on his organism?! Things are seeming to get a little confuse for the both of them, mostly their feelings to each other. Will they be able to figure them out?