Imouto wa Boku no Koibito

Temari is a high school girl who shares a close bond with her older brother. Their relationship takes an intimate turn as they explore their feelings for each other in various settings, from summer festivals to school afternoons and private moments at home.

As their secret romance deepens, Temari and her brother navigate the complexities of their forbidden love. Each encounter brings them closer, but they must keep their relationship hidden from the world around them. Through jealousy, memories, and passionate encounters, they struggle to maintain their bond while facing the risks of discovery.