The Takasugi family, who was a poor single-mother family, gained a stable life by remarriage with their mother, Kyokos elite office worker, Yoshio. - At first, Yoshio looked like a good father, but one day he revealed his true nature and poisoned her Mari. - From the hardships of her mother and her feelings for her sick brother, the days of quietly enduring for the happiness of her family have begun ... - Right next to her mother, near her younger brother, and with her boyfriend coming, endure the unwanted climax today ...