Haeru’s ten-year relationship collapses instantly when she catches her longtime boyfriend, Se-o, in a definitive act of betrayal. Seeking retribution for her wasted years, she orchestrates a vengeful plan to dismantle his perfect life.

After a decade of loyalty, Haeru finds her world shattered by Se-o's sudden infidelity. The former college sweethearts now face a toxic fallout as workplace proximity and buried secrets turn their shared history into a battlefield of manipulation.

As Haeru pursues her quest for revenge, she uncovers mysterious layers to Se-o's deception. This drama explores the thin line between love and hatred, proving that no betrayal goes unpunished within the corporate shadows.

Haeru plans the ultimate revenge after Se-o betrays their ten-year relationship in I'll Give You The Most Rotten One manga.

I'll Give You The Most Rotten One, Haeru, Se-o, Revenge, Drama, Romance, Mystery, Webtoon, Read manga online, I'll Give You the Worst One