Here is Greenwood(2008)

Here is Greenwood is a comedy series set at Rokuto Academy's Greenwood Dormitory, a former insane asylum now housing the school's most eccentric students. Hasukawa Kazuya arrives late to the dorm, only to discover his new home is anything but ordinary. Surrounded by bizarre roommates and their chaotic antics, Kazuya must navigate the absurd daily life of this all-boys residence. The series follows his misadventures as he adapts to the dormitory's unpredictable atmosphere and the colorful cast of characters who call it home. Blending humor with the surreal setting, Here is Greenwood captures the comedic chaos of adolescent life in an unconventional boarding school environment.