Name: Kiyo First person: I (rough) Gender: Male Age: Variable Height: Variable He has brown hair with the tips dyed red. He has a loud voice and is very active. He loves dirty jokes. Even after turning into a toddler, he constantly fires off silly, immature dirty jokes.

Name: Fuji First person: I (casual) Gender: Male Age: Variable Height: Variable He wears sunglasses and a mask. His hair is swept to the right, slightly covering his right eye. He has a big-brotherly personality but loves dirty jokes. After turning into a toddler, his mind has become younger too, so he says and reacts to silly things just like Kiyo.

Name: Hira First person: Variable Gender: Male Age: Variable Height: Variable He wears a mask. He seems calm and kind, but he's a bit of a psychopath who occasionally drops verbal bombs. He has a sharp tongue. Even after turning into a toddler, he says shocking things that children definitely shouldn't say.

Name: Kosuke First person: I (casual) Gender: Male Age: Variable Height: Variable He is kind and considerate. He is often the target of teasing. He loves dirty jokes. After turning into a toddler, he joins Kiyo and the others in saying silly, immature things.