"Hatsukoi Limited" is a romantic comedy manga that explores the interconnected lives of middle school and high school students as they navigate the complexities of first love. The narrative is structured as a series of vignettes, each focusing on different characters and their relationships, which gradually intertwine to form a cohesive story. The setting alternates between a middle school and a nearby high school, with characters from both institutions influencing each other's lives.

The central characters include Ayumi Arihara, a high school girl who is initially infatuated with her childhood friend, Kei Tsuchiya, but later develops feelings for the more reserved and stoic Kusuda. Kei, on the other hand, harbors feelings for Ayumi but struggles to express them, leading to a love triangle. Meanwhile, Misaki Takahashi, a middle school student, becomes the object of affection for her classmate, Rika Akiyoshi, who is determined to win her heart despite Misaki's initial indifference. Misaki's older sister, Nao, is a high school student who becomes involved with Yuuji Matsunaga, a popular and flirtatious boy whose playful demeanor masks deeper insecurities.

Other key characters include Mamoru Torii, a middle school boy who develops a crush on his classmate, Enomoto, but finds himself competing with his best friend, Koyoi Bessho, for her attention. Koyoi, in turn, struggles with her own feelings for Mamoru, creating a web of unrequited love and misunderstandings. The story also delves into the relationship between Enomoto and her older brother, who is overly protective of her, adding another layer of complexity to the narrative.

As the story progresses, the characters' relationships evolve, with some finding mutual affection while others face heartbreak. The manga captures the awkwardness, confusion, and emotional intensity of adolescence, portraying the characters' struggles with self-discovery and the pursuit of love. The interconnected nature of the storylines highlights how the actions and emotions of one character can ripple through the lives of others, creating a dynamic and engaging narrative.

The manga balances humor and heartfelt moments, offering a realistic portrayal of the ups and downs of young love. The characters' interactions are often driven by misunderstandings and miscommunications, which are resolved through personal growth and introspection. The series concludes with a sense of closure for many of the characters, as they come to terms with their feelings and move forward in their relationships.