JK's Tragic Isekai Reincarnation as the Villainess ~But My Precious Side Character!~ summary: An otaku schoolgirl that loves a certain side character is reborn as the villainess of her beloved otome game, and tries to avoid marriage with all the main hotties, so she can live happily ever after with her best boy... In this first chapter, she attempts to break off her engagement with the handsome prince but... A lighthearted comedy that quickly turns dark with despair and violation.