"Paradise Kiss" centers on Yukari Hayasaka, a high school student whose life takes an unexpected turn when she encounters a group of fashion design students. The group, calling themselves "Paradise Kiss," is led by the enigmatic and flamboyant George Koizumi, who immediately sees potential in Yukari as a model for their upcoming fashion show. Initially hesitant, Yukari is drawn into their world, which contrasts sharply with her rigid, academically focused life. As she becomes more involved with the group, she begins to question her own aspirations and the path laid out for her by her parents and society.

The narrative explores Yukari's transformation as she navigates her relationships with the members of Paradise Kiss, particularly George, whose intense and often manipulative personality challenges her in ways she never anticipated. The group also includes Isabella, a transgender woman who serves as a mentor figure; Miwako, a bubbly and supportive friend; and Arashi, Miwako's boyfriend, who is protective and occasionally volatile. Each character brings their own struggles and ambitions, creating a dynamic and often tense environment.

As Yukari becomes the face of Paradise Kiss, she grapples with her growing feelings for George, who is both captivating and emotionally distant. Their relationship is complex, marked by passion and conflict, as George pushes Yukari to embrace her individuality and pursue her dreams, even if it means defying societal expectations. Meanwhile, Yukari's involvement with the group strains her relationship with her family, particularly her mother, who disapproves of her new lifestyle.

The story culminates in the group's fashion show, a pivotal moment that tests their creativity, resolve, and relationships. Yukari's journey is one of self-discovery, as she learns to balance her desires with the realities of her circumstances. The series concludes with a bittersweet resolution, reflecting the challenges and sacrifices inherent in pursuing one's passions. Through its exploration of love, ambition, and identity, "Paradise Kiss" offers a nuanced portrayal of the complexities of youth and the pursuit of artistic expression.