Name: Ryuichi Kashima Gender: Male Age: 17 Height: 166cm Affiliation: Morinomiya Academy Family: Kotaro Kashima (Younger brother), Parents (Deceased) Personality: Always kind. He often takes care of others so much that he forgets to look after himself.

Name: Hayato Kamitani Gender: Male Age: 17 Height: 174cm Affiliation: Morinomiya Academy Family: Shizuka Kamitani (Mother), Taka Kamitani (Younger brother) Personality: A tsundere. He is strict and doesn't hesitate to give Taka or other children a light smack on the head, but sometimes he just ignores them. His silence and neglect are actually scarier than his anger.

Name: Yoshihito Usaida Gender: Male Age: 24 Height: 176cm Affiliation: Babysitter Club Staff Personality: Skilled with his hands but often found sleeping. He is quite perceptive and enjoys watching situations unfold for fun, though he will step in if things get too difficult.

Name: Kotaro Kashima Gender: Male Age: 3 Family: Parents (Deceased), Ryuichi Kashima (Older brother) Personality: Completely devoted to his older brother. He loves reading books.

Name: Taka Kamitani Gender: Male Age: 3 Family: Shizuka Kamitani (Mother), Hayato Kamitani (Older brother) Personality: Simple-minded, a crybaby, and a bit of a neighborhood boss. Though he acts grumpy on the outside, he is a total brother-lover who seeks out Hayato first whenever he needs something.

Name: Kirin Kumatsuka Gender: Female Age: 3 Family: Satoru Kumatsuka (Father), Yayoi Kumatsuka (Mother) Personality: An innocent child who, like many girls her age, is obsessed with magical girl shows. She is also a giraffe enthusiast.

Name: Takuma Mamizuka Age: 3 Gender: Male Family: Kosuke Mamizuka (Father), Umi Mamizuka (Mother), Kazuma Mamizuka (Twin brother) Personality: Inherited his mother Umi's personality; he is always positive and cheerful.

Name: Kazuma Mamizuka Age: 3 Gender: Male Family: Kosuke Mamizuka (Father), Umi Mamizuka (Mother), Takuma Mamizuka (Twin brother) Personality: Inherited his father Kosuke's personality; he is a bit of a crybaby.

Name: Midori Sawatari Gender: Female Age: 6 months Family: Yutaka Sawatari (Father), Yukari Sawatari (Mother) Personality: The most active of the group. She is a gentle baby who rarely fusses and is always smiling.