crush on Ryūichi to which he is oblivious, and recurrently interacts with the babysitting club and its children. The kids like her, but her stern demeanor can scare them at times. A second-year student in the Morinomiya Academy Advanced Class. He is a handsome and kind-hearted boy who is very popular with the girls. He has a passion for cute children, but gets nosebleeds whenever he interacts with them, making him appear like a pervert. A schoolmate of Ryūichi and an old friend of Tomoya Yagi with shaggy black hair hanging over his eyes. His sloppy appearance belies his dedication as a student and hard worker, as well as his caring personality. He has several younger brothers and sisters, and although normally not allowed, he has gotten permission to work a part-time job to support his family. A kind but painfully shy young girl and one of Ryūichi's classmates. She has developed a crush on him, but cannot bring herself to confess her feelings to him. Although initially a love rival with Maria Inomata, she gradually begins to consider her as her best friend. A somewhat pushy high school boy who seeks to win the heart of Yukari Sawatori, despite the fact that she is happily married. Later on he develops a crush on Ryūichi when he mistakes him for a girl while the latter is wearing a wig. In his initial appearance he is shown to dislike children, but he acquires somewhat of a soft spot for them as time passes. At one point Usaida bribes him to watch over Kotaro while the toddler embarks on his first errand, and he keeps his anonymity by wearing a bag over his head. Children Ryuichi's younger brother. Kotaro is a toddler who loves his older brother and sticks with him. He is taken care of in the babysitter club where he gets along with the other kids his age. He is overall the most quiet of the infants, and is often expressionless in dangerous or even comical situations. The younger Kamitani brother and one of the children in the daycare. Boisterous and stubborn, his attitude often puts him at odds with his older brother and occasionally other children. Although he may never admit it himself, he deeply cares for his older brother and aspires to be like him. One of the Mamizuka twins. Takuma is a very cheerful and outgoing toddler