The son of a ronin. The determined younger sister makes fun of such an older brother. Chisato's mother is worried and heartbroken about the relationship between the siblings. She was having trouble with her younger sister's reference book again today. Chisato worries about her son, who is depressed after her sister leaves. She says kind words and pats her on the head. Then her son asked if he could spoil her mother. Of course, I say that's fine, and start massaging her mother's ample breasts. depend on