Kousasuru Osu to Mesu: Ochiteiku Haruka

Haruka, a young wife, lives a quiet life with her husband. She is innocent and devoted to him, believing in their simple happiness together. Her world is turned upside down when her husband introduces a disturbing proposal: he wants them to participate in partner swapping.

Forced to confront a situation she never imagined, Haruka must navigate her husband's demands and her own feelings of betrayal and confusion. Her innocence is shattered as she is drawn into a dark and uncomfortable game, challenging everything she thought she knew about love and marriage.