Makoto Itou, a high school student, becomes the object of affection for two girls: Kotonoha Katsura, a shy and reserved classmate, and Sekai Saionji, a more outgoing and assertive friend. Initially, Makoto develops a crush on Kotonoha, and Sekai offers to help him win her over. Through Sekai’s guidance, Makoto and Kotonoha begin dating. However, as the relationship progresses, Sekai’s own feelings for Makoto become apparent, leading to a complicated love triangle.

Makoto’s indecisiveness and lack of emotional maturity exacerbate the situation. He begins to pursue romantic and physical relationships with both Kotonoha and Sekai, as well as other female classmates, creating a web of deceit and betrayal. Kotonoha, deeply in love with Makoto, remains unaware of his infidelity for much of the series, while Sekai struggles with her guilt over facilitating the initial relationship and her growing resentment toward Makoto’s behavior.

As tensions rise, the relationships among the characters deteriorate. Kotonoha becomes increasingly isolated and emotionally unstable, while Sekai’s frustration with Makoto’s actions reaches a breaking point. The series explores themes of jealousy, manipulation, and the consequences of selfishness, culminating in a dramatic and tragic conclusion. The final episodes depict the fallout of Makoto’s actions, leading to irreversible consequences for all involved.

The narrative is driven by the interactions and emotional conflicts between the three main characters, with supporting characters adding further complexity to the story. The series is notable for its departure from typical romantic anime tropes, presenting a darker and more realistic portrayal of teenage relationships and their potential consequences. The story’s progression is marked by escalating tension and moral ambiguity, ultimately delivering a resolution that underscores the destructive impact of unresolved emotional turmoil and poor decision-making.