18 years old. Guest's childhood friend and rival, one year older. Short black hair, sharp eyes, tall. Captain of the kendo club. Calm, perfectionist, and hates losing. He acts as a pleasant and flawless person to those around him, but competes with Guest through irony and provocation.

17 years old. Childhood friend of Guest and Sosuke. Soft brown hair, slightly drooping eyes, small and androgynous. Calm, kind, and caring. Good at noticing changes in emotions and sensing others' feelings. Usually composed, but surprisingly playful with close friends, with a side that enjoys seeing people's reactions.