I Reincarnated as a Minor Villain Mob and Somehow Became Famous

Read I Reincarnated as a Minor Villain Mob and Somehow Became Famous / やり込んでいたゲーム世界の悪役モブに転生しました ～ゲーム知識使って気ままに生きてたら、何故かありとあらゆる所で名が知れ渡っていた～（コミック） / I Reincarnated as a Minor Villain in My Favorite Game World – Using My Game Knowledge to Live Freely, I Somehow Ended Up Famous Everywhere
A man is reincarnated as Kai, a minor villainous slave trader in an RPG world destined for ruin. To avoid his bad ending, he rescues captured heroines and safely sends them back using items he collected before reincarnation. However, his actions make everyone misunderstand him as a powerful, heroic figure. Instead of being ignored, he becomes admired and loved by noble heroines, leading to an accidental harem fantasy.