OVA
Description
Kazuya Hasukawa, orphaned young, was raised by his older brother Kazuhiro, forging intense childhood admiration for him. This admiration drove Kazuya to follow Kazuhiro's path by enrolling at Ryokuto Academy. His enrollment faced severe delays, however, due to a car accident, a stress-induced ulcer, and other mishaps, forcing him to miss the first month. Compounding this, Kazuhiro married Sumire, Kazuya's first love and former tutor, creating an unbearable home life that pushed Kazuya to move into Ryokuto's Greenwood dormitory.

Greenwood introduced Kazuya to a highly eccentric environment and residents. Assigned to room with Shun Kisaragi, Kazuya initially mistook Shun for a girl due to his feminine appearance, causing further distress. Upperclassmen and dorm leaders Mitsuru Ikeda and Shinobu Tezuka worsened his situation by orchestrating a betting pool on when Kazuya would discover Shun's true gender. Kazuya's discomfort intensified as Kazuhiro became the school nurse, ensuring continued interaction.

Characterized by persistent misfortune, Kazuya earned the label of Greenwood's "Butt-Monkey," enduring frequent teasing and pranks, especially from Mitsuru and Shinobu. Despite this, he showed resilience and gradual growth. He possesses notable running ability, completing 100 meters in 11 seconds despite physical fragility, classifying him as a "Fragile Speedster." Stress often manifests physically through frequent nosebleeds. A pivotal moment arrived when he attacked Nagisa Tezuka's henchmen to protect Mitsuru, demonstrating unexpected courage. This incident and other challenges fueled his development from a passive victim into a more assertive figure, eventually leading to his election as Greenwood's dorm president.

His relationships evolved significantly. Initial resentment towards Kazuhiro softened into mutual respect and acceptance of their family dynamic. A major romantic development involved delinquent girl Miya Igarashi; their relationship faced obstacles like rivalry from her childhood friend Tenma Koizumi and conflicts with girl gangs, but culminated in them dating. Kazuya's interactions with Shun, Mitsuru, and Shinobu transitioned from adversarial to deeply bonded through shared dorm experiences. These evolving relationships, alongside confronting his insecurities and external challenges, facilitated his maturation and adaptation to Greenwood's unconventional community.