Kodaka Hasegawa faces a daunting challenge when he transfers to a new school, hoping to forge friendships but is instead branded a troublemaker due to his appearance. Despite his isolated status, Kodaka's life takes a turn when he encounters Yozora Mikazuki, a fellow loner who converses with her imaginary companion. United by their shared solitude, they launch the Neighbor's Club, dedicated to aiding individuals without social circles. Through quirky activities and interactions with unique members like Sena Kashiwazaki, an enthusiast of adult games, Kodaka navigates the maze of high school relationships, finding solace and humor amidst a group of misfits.