Kill to Form a Contract: Did I Kill the Campus Belle from the Start?

[Modern Urban Martial Arts + Not Beast Taming + Dark + Invincible + Female Lead + Brutal] People in this new world believe that killing is righteous, and society has consequently become exceptionally cruel. Yang Xin was born here without any talent for martial arts, but he possessed a high-level talent called the [Death Contract]. He had no parents, but he did have a pair of childhood-sweetheart twins who had grown up alongside him, so life was still bearable. But after he enrolled at Heihai No. 1 High School, everything changed… The sudden arrival of transfer student Li Zairan shattered Yang Xin’s peaceful life. Shining like the protagonist of a story, Li Zairan drew everyone’s attention and stole the affection of Yang Xin’s childhood friends, while Yang Xin became a victim of the school’s merciless competition. Yang Xin killed himself. Before he died, he obtained a magic array and used his life to summon “another self from another world.” He only hoped that this other self would live on in his place, so the people who still cared about him wouldn’t be so heartbroken. But he never expected that his counterpart from another world would be his complete opposite: the world’s greatest genius. Genius Yang Xin possessed peerless, godlike talent. At just eighteen, he led his country’s martial arts team to the world championship in the qualifiers, becoming a monster admired by millions. Desperate to return to his own world, genius Yang Xin had no choice but to help the dead Yang Xin fulfill his final wishes: take over the school, win back the younger twin, and battle the new world’s many geniuses in the qualifiers. But when he met the older twin, he realized that he seemed to have been dragged into some terrifying affair…