Sei is not a real mother. She is Sei-san, whom my father remarried when I was young. A year after I got married, my father passed away and he had only raised me with a woman. As a mother and a woman, my dream when I loved Sei-san was to make her happy and comfortable. However, that dream collapsed at the hands of a bad friend, Takato. Takato, who exploited me to get close to her mother, left early due to a fake illness and talked to Sei-san. I was worried and quickly returned home, and I saw a shocking scene ...