Synopsis

Kosaka Aoi is an architect who has always been a devoted, model husband, willingly handling household chores and caring for his son.
A visit to the doctor leads to a devastating blow when he is told he only has three months to live. As he struggles to come to terms with his diagnosis while thinking of his family, another shock follows — he discovers that his wife, Mitsuki, has been having an affair. Aoi desperately tries to believe in her, refusing to accept the truth, but his love gradually turns to rage. Determined to protect his son’s future, he vows to take revenge on his wife and her lover.