Synopsis
Kouta Norikawa lost his parents in childhood and was raised alongside his stepsister Minami Norikawa in a relative’s home. The two were always close, but as they grew older, Kouta developed feelings for her that went beyond sibling affection. He realized Minami felt the same way, but knowing their relatives would never approve, he decided to sever those feelings. When the time came to move away for university, he left without telling her where he was going.
A year later, living in the city, Kouta is shocked when Minami suddenly appears at his door. She too came to the city for school and tracked down his address. As she begins visiting frequently, the feelings Kouta had desperately tried to bury begin to resurface. One night, after staying over, Minami confesses her love and tries to seduce him. But Kouta rejects her, telling her to find someone better.
Minami stops visiting. But when Kouta sees her again sometime later, she’s with another man. Though he wishes for her happiness as her brother, he can’t help but feel regret. However, unbeknownst to him, Minami is already being trained in the pleasures of the flesh by this new man…
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