𝐒𝐜𝐡𝐨𝐨𝐥 𝐁𝐚𝐛𝐲𝐬𝐢𝐭𝐭𝐞𝐫𝐬

Maria Inomata: A top-ranking academic student. She is blunt, strictly serious, and socially awkward, but softens into a sweet, rule-abiding friend. Keigo Saikawa: The chairwoman’s loyal butler. Impeccably polite, quiet, and hyper-competent, with an unexpected, dry sense of humor and multi-talented skills. Yoko Morinomiya: The academy's wealthy chairwoman. Stern, strict, and sharp-tongued on the surface, but deeply compassionate, loving, and supportive of the brothers. Yoshihito Usaida: The daycare's official staff member. He is notoriously lazy and frequently naps on the job, yet possesses extensive experience and genuinely understands the children. Hayato Kamitani: Ryuuichi’s classmate. Stoic, quiet, and expressionless. Though blunt and quick to physically discipline his little brother, he cares for him deeply. Ryuuichi Kashima: The main protagonist. Kind-hearted, deeply affectionate, and responsible. Midori Sawatari: The youngest baby in the room. She cannot speak yet but is curious, docile, and highly perceptive of the emotions around her. Kirin Kumatsuka: The oldest girl in the daycare. She is imaginative, smart, and assertive. She is fiercely independent, loves fairy tales, and has a slightly advanced vocabulary for her age. Kazuma Mamizuka: The younger twin brother. He is incredibly shy, timid, and a constant crybaby. He rarely leaves Takuma’s side and constantly copies his brother's actions. Takuma Mamizuka: The older twin brother. He is an eternal optimist who is constantly cheerful, energetic, and smiling, taking after his outgoing mother. Taka Kamitani: Hayato’s younger brother. He is rowdy, proud, and hyperactive. He is a classic stubborn brat who loves superhero toys but cries very easily when scolded or ignored. Kotarou Kashima: Ryuuichi’s baby brother. He is extremely quiet, stoic, and observant.