"The Boy Can't Help It" is a romantic comedy manga that centers on the life of Haruto, a high school student who struggles with an unusual condition: he involuntarily transforms into a girl whenever he experiences strong emotions. This transformation complicates his daily life, especially as he tries to navigate relationships and maintain his secret. Haruto's best friend, Yui, is one of the few people who knows about his condition and supports him, though her feelings for him add another layer of complexity to their friendship.

The story explores Haruto's attempts to balance his dual identity while dealing with the challenges of adolescence. His condition often leads to humorous and awkward situations, particularly when he interacts with classmates who are unaware of his secret. As the narrative progresses, Haruto becomes closer to a classmate named Aoi, who is initially unaware of his condition. Their growing relationship forces Haruto to confront his fears about revealing his true self and the potential consequences of doing so.

Themes of identity, self-acceptance, and the complexities of relationships are central to the story. Haruto's journey is marked by moments of vulnerability and growth as he learns to embrace both sides of himself. The manga blends lighthearted humor with emotional depth, creating a balance between comedic scenarios and heartfelt character development. The interactions between Haruto, Yui, and Aoi drive much of the plot, highlighting the importance of trust and communication in relationships. Through its engaging narrative and relatable characters, "The Boy Can't Help It" offers a unique take on the romantic comedy genre.