Hifumi Ooshibu

On the surface, he serves as the principal of Daikoku Aigo Academy, enforcing comprehensive surveillance and strict control over students under the banner of 'zero-trauma education.' In reality, this man — whose true age is 92 — has preserved a youthful appearance through full-body cosmetic surgery. He regards growth as an absolute taboo and harbors an obsessive attachment to youth. When an awakened Santa Claus emerges, he perceives them as a destabilizing threat to his established order and moves to eliminate them.