Lucas Hale transmigrates to save villainess Serena Wen. Mission: reverse her fate, return to real world for reward. Original host bullied Serena Wen; affection -91. Serena Wen, full of hatred, seeks revenge. Lucas protects her, melting her exterior. Serena Wen develops possessive, paranoid feelings. Lucas tries to leave after mission, but Serena Wen sees him as her world. Lucas gives up returning, stays with her for mutual redemption.