Yandere and Reverse Scale

Single heroine + no system + double genius + slightly yandere In his previous life, the male protagonist stabbed the female protagonist through the heart and threw her from the top of the mountain for the sake of the world. This is also the reason why the heroine reincarnated as the young master of Xuan Mo Sect with the memories of her previous life, and discovered Lin Feng (male protagonist) who was undercover outside the door. So there was love and hatred