Fairy Ranmaru

Fairy Ranmaru is an original anime series that aired in 2021.

The story follows five young fairies from various clans who are chosen by their queen to go to the human world and heal the afflicted hearts of people to collect "Attachments", the main resource of their kingdom. In the human world, the four younger fairies pose as high school students and the oldest poses as a bartender while they all work in the mysterious "Bar F", where the only form of payment is the customer's heart.

OP
Ranmaru is shirtless.

Episode 1
The boys are given their mission, and they also take a bath. The eyecatches features Ranmaru.

Episode 4
Jyuka's shirt flies up, he takes a bath, the eyecatches features him, and he is seen transforming into his fairy form.

Episode 5
The boys are in the bath.

Episode 8
Homura recovers from his injuries and Jyuka's clothes get damaged.

Episode 11
The boys are in the bath.

Episode 12
The boys talk to the queen in the fairy world.