Babanba Banban Vampire (2025 Anime Series) - Season 1 - Episode 4

Ranmaru Mori, a long-lived vampire who works at a traditional public bathhouse. He takes it upon himself to look after the owner's young son, Rihito Tatsuno, with a secret and eccentric motive related to his vampire nature. As Rihito enters high school and experiences the typical ups and downs of teenage life, Ranmaru finds himself in a series of comedic situations as he tries to balance his secret identity with his unusual goals.