⁣This is a story about a high-school girl named Emi, who fell in love with her younger step-brother. Finally, on her eighteenth birthday, she decides to tell him about her feelings. But suddenly, debt collectors arrive and confiscate everything your father possessed. Tomomi, Emi's step-brother, disappears. Now Emi must find him, her only true love, and to confess to him her feelings.
But on her journey, Emi discovers a different personality inside herself. This other person is called Amy. While the true Emi is a shy, modest girl, her Amy part cares mostly about one thing: to make real her wildest sexual fantasies...

⁣Hatsushima Minoru was a high school student, who goes to Seiou Kan Gakuen High school which located on the hill in a historical town. He spent a carefree campus lives with his friends. One day in spring, his boy and girl friends announced that they began to go out with each other. Until then, Minoru hadn't wanted to have a lover very much. But he found he yearned for their relations. After a while, when his little sister took him to the tennis mach, he met Sakurai Momoko who was his senior student.