[DeepL Translation - needs review] After the death of her older sister and her husband, Mitsuki lives with her brother-in-law, Nao, and her niece, Mai, but she has a secret that she cannot tell anyone.
She has a secret that she can't tell anyone: in the past, she felt inferior to her sister and her husband, who were newly married, and led a depraved life, having sex with random men every day instead of going home.
He feels that it is because of his past behavior that his sister and her hus...
