Kensuke Kizaki is a shy high school student harboring romantic feelings for Kasumi, a recent transfer classmate. Unable to confess directly, he seeks help from the school's underground "Love Club," operating covertly to avoid discipline. Female members Miren, Minami, and Madoka guide him, preparing him through structured practice sessions. These rehearsals simulate dates and confessions to build his confidence for real interactions with Kasumi, though unexpected emotional or physical developments during practice sometimes complicate matters. Despite his efforts and the club's support, Kasumi remains romantically interested in another person, creating central tension. Kensuke's character arc follows his emotional journey navigating these unrequited feelings while engaged in club activities. Through repeated practice and participation, he gradually gains confidence in expressing affection and handling intimacy. The Love Club serves as the crucial catalyst for his personal growth in understanding relationships and confronting his shyness.