Tonari no Ueta Hitozuma Onee-san

A young man lives next door to a married woman who is often left alone by her husband. She is beautiful and kind, but also lonely and hungry for affection. One day, their paths cross, and a secret encounter begins between them.

As their relationship deepens, the boundaries of their arrangement become blurred. The man finds himself drawn into a web of desire and guilt, while the woman struggles with her own needs and the consequences of their actions. Their hidden connection threatens to unravel the quiet lives they once knew.