Ani to Imouto no Jijou.

A brother and sister live together in a seemingly ordinary household. Their relationship, however, is far from typical, as they navigate a complex and intimate bond that blurs the lines between familial affection and forbidden desire.

As their hidden feelings grow stronger, they must confront the consequences of their actions and the societal taboos that threaten to tear them apart. The story delves into the darker, more sensual aspects of their connection, exploring the emotional turmoil and physical entanglements that arise from their secret world.