Here Is Greenwood

Here is Greenwood (ここはグリーン・ウッド, Koko wa Gurīn Uddo) is a 9-volume Japanese manga written and illustrated by Yukie Nasu. The manga was serialized in Hana to Yume from 1987 to 1991 and published in English by Viz Media. It has been adapted into a six-episode anime OVA and a live-action television series.

Plot
After suffering from a series of mishaps, Kazuya Hasekawa has finally entered Ryokuto Academy. He is there to get away from his brother and his wife (whom Kazuya had a crush on). Unfortunately, he is assigned to live in the dorm known as Greenwood, a former insane asylum, where the weird students live. His roommate, Shun Kisaragi, looks just like a girl, and Kazuya initially thought he was until he saw Shun in the boys' bathroom. Also there are his next-door roommates, the dorm president Mitsuru Ikeda and his best friend, Shinobu Tezuka. The manga follows the everyday events and antics of Greenwood.