Yuki is a high school graduate who is preparing for another chance to enter a university. He falls in love with Sakurako, his mother, and tells it to Reika, Sakurakos younger sister. Endless boring life.... His life gradually changes....
Yuusaku is a high school teacher. One day, Hikari tells her love to him, but he is interested in married women only. Several days later, he visits Hikaris house to talk to her mother because her test scores are not good recently. When he opens the door, there is an attractive woman.... He falls in love with his students mother at first sight....
Touya started to live with four tutors during the summer holiday. His father has gone abroad for business and his life has become a paradise with four beautiful women. Erotic lessons by four teachers have begun!!!