Kiitaro's yokai picture diary

Kiitaro's yokai picture diary is a manga series that received an anime adaptation in 2016.

Kiitaro is kicked out by his father and ordered to live in a separate building after he entered an off-limits storehouse, where he meets a house spirit named Suzu along with all other kinds of spirit creatures.

Episode 2
Kiitaro is about to strip naked before noticing Suzu in the distance.

Episode 7
Kiitaro suddenly strips to his underwear.