Ep. 1: Kodaka and Yozora form a club to help others make friends despite social barriers.

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Kodaka Hasegawa struggles with his intimidating appearance, recalling a poor first impression. He discovers classmate Yozora Mikazuki speaking to an imaginary friend, revealing her loneliness. They bond over their difficulties in making friends, leading Kodaka to suggest forming a club. Yozora establishes the Neighbor's Club to assist others socially. Kodaka joins her in posting recruitment flyers, remaining skeptical of the initiative. Soon, Sena Kashiwazaki attempts to join. Yozora initially rejects her as a normal person, but Sena insists on entering to find genuine connections. She clarifies that boys only treat her poorly, prompting an argument with Yozora while Kodaka observes the club's membership statistics.