A chance encounter at a late-night convenience store spirals into an obsessive and emotionally destructive relationship. The story follows a young man, possibly a disillusioned office worker or a college student, whose lonely routine takes a sharp turn when he meets a seemingly reserved female customer. What begins as a brief, transactional interaction, perhaps over a forgotten item or a shared glance, quickly escalates into a secretive physical relationship. The setting is grounded in the mundane reality of urban Japan, using the brightly lit convenience store, or konbini, as a stark contrast to the dark and confined spaces—love hotels, apartments, and late-night streets—where their dynamic plays out.

The male protagonist is initially drawn in by her contrasting persona; she appears quiet or introverted in public but reveals a bold and aggressive side in private. The female lead is deeply enigmatic, using her sexuality as a tool for control, intimacy, or perhaps self-destruction. Their relationship quickly becomes one of pure entanglement, marked by a mutual inability to connect in a healthy way. They are bound not by love, but by a shared emptiness, desperation, and a physical addiction to one another that rots, or tadareru, from the inside out.

The narrative arcs typically begin with the Honeymoon Phase of the affair, where the thrill and taboo nature of their secret meetings provide an adrenaline rush that masks the lack of emotional substance. The middle arc focuses on The Rot Setting In, where the male protagonist tries to understand her or seek a deeper commitment. He may follow her, investigate her life, or push for an explanation of her behavior, only to be met with psychological manipulation, cruelty, or a cold reminder of their purely physical arrangement. This section explores the conflict between his developing emotional dependency and her refusal to conform to standard romantic expectations.

A critical turning point often reveals a possible origin for her behavior—a past trauma, a broken family, or a specific event at a konbini that shattered her worldview. The final arc deals with Collapse and Atonement, where the relationship implodes due to jealousy, possession, or a failed attempt to leave. The ending is rarely uplifting, often concluding with the protagonist either completely empty, having internalized her cynical worldview, or trapped in a permanent cycle of seeking her out at the same convenience store, unable to escape the rotten bond they forged.