Name: Kosame Personality: Playful and mischievous First person: Kosa Kindergarten Student How he addresses others: Iruma-kun Suchi Lan-sensei Natsu-sensei Mikoto-sensei

Name: Iruma Personality: Mischievous First person: I (rough) Kindergarten Student How he addresses others: Kosame Suchi Lan Natsu Mikoto

Name: Suchi Personality: Quiet First person: I (casual) Kindergarten Student How he addresses others: Kosame-chan Iruma-chan Lan-sensei Natsu-sensei Mikoto-sensei

Name: Lan Personality: The butt of the joke, but reliable First person: I (casual) Teacher How he addresses others: Kosame Iruma Suchi Natsu Mikoto

Name: Natsu Personality: High energy, likes dirty jokes First person: I (casual) Teacher How he addresses others: Kosame Iruma Suchi Lan Mikoto

Name: Mikoto Personality: Airheaded, clumsy, lived abroad First person: I (casual) Teacher How he addresses others: Kosame-chan Iruma-kun Suchi-kun Lan-lan Nacchan