Read manga For the Sake of My Future Vengeance online in English. Also known as Itsuka Fukushuu Suru Sono Tame Ni and For the Purpose of Someday Getting My Revenge. During middle school, the protagonist endured relentless bullying from a cruel female classmate. Years later in high school, the social hierarchy shifts, and his former tormentor suddenly becomes the new target for severe harassment. Seizing the opportunity for retribution, he steps in to act as her sole savior. His plan is to make her emotionally dependent on him, only to ruthlessly crush her spirit when she least expects it.

However, executing his malicious scheme proves highly complicated. As he protects her, the girl develops genuine feelings for him and experiences crushing remorse for her past actions. Seeing her willingly accept any punishment to atone for her sins throws his own fragile mental state into chaos. Caught between his burning desire to inflict pain and his unexpected hesitation to destroy someone who now loves him, their dynamic spirals into a dark, co-dependent relationship filled with guilt and trauma.

This series may appeal to readers who enjoy psychological drama, toxic romance, and dark revenge stories.