Arihiko Inui

As Tohno Shiki’s longtime classmate and closest companion, this competitive individual shares a complex bond with his best friend. While his eccentric and occasionally callous personality often leaves Shiki questioning their friendship, a deep-seated loyalty remains. Driven by a humorous rivalry to find a girlfriend before Shiki, he nonetheless proves his devotion during critical moments, such as when he selflessly assists a collapsing Shiki. This blend of quirkiness and reliability defines his role within the group.