"It's my new mother, Chisato, and I'm going to get along with you from today," my father's remarriage partner was his first love, nurse Chisato. Chisato, who had been in and out of the hospital repeatedly since she was a child, was Taro's emotional support. How many times have I entered adolescence and pulled out at a thousand miles? It is said that Chisato, who loves such a thing, will become a family as a mother from today. A love that ended without being able to confess. Taro, who can't give up, leaves his emotions to Chisato and approaches Chisato ...