Clash:
A prince at school and at home, Yama is the perfect student. Only when he is alone can he show his true self and his true personality. But, one day, a girl named Saku follows him to his villa and somehow she finds out about his true personality. What will happen now!?

Extra: Kimi to Iru Kyoushitsu:
About a girl who likes her childhood friend who is a player.