Call of the Night

Call of the Night is a manga series that received an anime adaptation which aired in 2022.

The story follows Ko Yamori, a middle school student who roams the streets at night as a result of both insomnia and restlessness after he stops going to school. One day, he has a chance encounter with Nazuna - a girl who happens to be a vampire. Nazuna offers him the chance to have a vampire's immortality and the dark gifts of a nocturnal life, but to do so he must be bitten by someone he truly loves. Thus, Ko decides to fall in love with Nazuna so that he can become a vampire and let go of his boring mortal life.

OP
Ko's shirt flies up.

Episode 1
Ko's shirt flies up while he falls on his head.

Episode 5
Ko takes a bath, and Nazuna gives him a massage.

Episode 6
Ko and Nazuna visit a night swimming pool.

Episode 13
Ko's shirt flies up.