Boku no Aka-chan

A young man lives a quiet life until his older sister reveals she is pregnant. Shocked by the news, he struggles to process the implications, but their bond deepens in unexpected ways. As they spend more time together, suppressed feelings surface, leading to a series of intimate encounters that challenge societal norms. The story delves into the complexities of forbidden love, exploring how desire can twist even the closest family ties. Caught between guilt and passion, they must navigate a relationship that threatens to consume them both, blurring the line between protection and possession.