The Pet Girl of Sakurasou

The Pet Girl of Sakurasou is a light novel series that received an anime adaptation which aired from 2012 to 2013.

The story follows Sorata Kanda, a second-year high school student who is transferred to Sakurasou, a dorm infamous for housing strange and trouble-making students after refusing to give up a stray cat he found. While learning to deal with his fellow residents, a world-famous artist named Mashiro Shiina moves in, and Sorata is tasked to become her caretaker after it turns out that she has a complete lack of common sense and living ability.

OP
Sorata's shirt flies up.

Episode 1
Sorata's shirt flies up.

Episode 2
Mashiro asks Sorata to undress for the manga she's drawing.

Episode 3
Sorata takes a bath, and Misaki grabs him by his shirt.

Episode 7
Yuko misunderstands when she overhears Mashiro, and everyone goes to a public bath after the dorm's bath is broken.

Episode 8
Jin and Misaki plan a late night pool party to welcome Nanami and cheer up Sorata.

Episode 13
Sorata's shirt flies up after he falls off his bed in the morning, and he is about to take his shirt off when he realizes that Mashiro is in his room.

Episode 15
Sorata is taking a bath when his father joins him.

Episode 24
Iori takes his shirt off on Mashiro's command.