World of Blue
青の世界
Yuusuke is a high school student afraid of being seen as different from others, so he keeps his relationships casual. Shin fears losing the people he loves and has never had a serious relationship. Kenji, a police officer, struggles with an inferiority complex when compared to his honor student brother and his lover, the novelist Misonou.
A certain incident brings these four people together, intertwining their lives. As they navigate their feelings of loneliness and fear, an adult love story unfolds, exploring the complex emotions of individuals searching for connection.