Go back in time and meet your sworn enemy

After finally killing the big scum who ruined his life, before he had time to enjoy life, Qin Zhongyuan was thrown back to the past.He also met his miserable enemy when he was young.Do it all over again, how to kill this scumbag?Content tags: Strong Another World Continent┃ Search keywords: Protagonist: Qin Zhongyuan, Lin Xun┃ Supporting role: Lin Luo