Mistakenly Saving the Villain
论救错反派的下场 (Lun Jiu Cuo Fanpai de Xiachang)
Feng Yu Nie (凤羽涅)
A medical student wakes inside a novel meant to rescue its tragic hero, then saves the wrong man: a beautiful slave bent on revenge.
See on Amazon →Trope: villain love interest
BL novels and comics tagged villain love interest.