"Koi wa Jirai o Funde Kara" centers on the complex and unconventional relationship between two high school students, Yuki Yoshida and Rintaro Togawa. Yuki is a reserved and introverted girl who struggles with self-esteem and social interactions, often feeling invisible to her peers. Rintaro, on the other hand, is a popular and confident boy who harbors a dark secret: he has a fetish for explosive danger, deriving excitement from situations that could potentially harm him. This peculiar fascination leads him to develop an interest in Yuki, whom he perceives as a "landmine" due to her unpredictable and emotionally volatile nature.

The narrative explores the evolving dynamic between Yuki and Rintaro as they navigate their contrasting personalities and desires. Rintaro's obsession with danger drives him to pursue Yuki, not out of genuine affection but as a means to satisfy his thrill-seeking tendencies. Yuki, initially wary of Rintaro's intentions, gradually becomes entangled in his world, drawn to the attention and validation he provides, despite the inherent risks. Their relationship is marked by tension, manipulation, and emotional instability, as both characters grapple with their insecurities and the consequences of their actions.

As the story progresses, secondary characters are introduced, adding layers to the central relationship. These include Yuki's childhood friend, who harbors unrequited feelings for her, and Rintaro's acquaintances, who are unaware of his darker inclinations. The interactions between these characters further complicate the narrative, highlighting themes of loneliness, self-worth, and the search for identity.

The manga delves into the psychological and emotional struggles of its protagonists, portraying their flawed and often self-destructive behaviors with a raw and unflinching lens. The plot unfolds through a series of dramatic and introspective moments, examining the impact of their choices on themselves and those around them. The story does not shy away from depicting the darker aspects of human relationships, offering a nuanced portrayal of love, obsession, and the blurred lines between them.