Ranmaru Mori

Ranmaru works as a live-in night worker at the Koi Bathhouse, after being rescued by [Rihito](https://anilist.co/character/329314/Rihito-Tatsuno) 10 years ago. As a vampire, his favorite type of blood is from 18 year old virgin boys and he sees Rihito has his ideal meal. Most of his actions are motivated by a desire to protect Rihito's purity until he turns 18.