Mother of the Goddess' Dormitory

Mother of the Goddess' Dormitory is a manga series that received an anime adaptation which aired in 2021.

The story follows Koshi Nagumo, a middle school student who is abandoned by his father after their house burns down on his birthday. Now homeless and desperate, he gets an offer to live at a dormitory for a women's only college in exchange for acting as the "Dorm Mother" to the eccentric students.

OP
Koshi appears naked.

Episode 1
Koshi attempts to take a bath.

Episode 4
Koshi takes a bath.

Episode 5
Koshi and the girls vacation at a hotel.

Episode 6
Koshi and the girls are at the beach, and he also gets his head stuck in his shirt while he's changing his clothes.

Episode 8
Koshi wears a reindeer-inspired outfit which exposes his waist.

Episode 9
Sutea imagines Koshi wearing just skimpy underwear.

Episode 10
Koshi's clothes are accidentally ruined by Kirya while he was taking a bath.