I transmigrated into the body of the villain's daughter, the target of his revenge, within a bleak novel where the protagonist had gone insane! At this rate, there is no hope. My family will be wiped out, and I’ll likely get swept away along with them. 'Wait. Can't I just find and save the protagonist before my father commits his evil deeds, and win his favor?' But— '...I'm screwed.' "I am Cardi. The person you were looking for." Shiny, jet-black eyes, like glass marbles, stared silently at Argen. This boy she had been desperately searching for was the very person she had entrusted her with. "Didn't you say you would love me if I found you? Very much, too." And on top of that... <<49>> There was an ancient regression magic spell on the back of the protagonist's neck?! 'Nameless who put me into this novel world... there was no mention of the protagonist being on his 49th regression after the ending!' * Argen recalled a conversation she had once shared with Cardi. I mean, back when she didn't know Cardi was the protagonist. "What would you do if I suggested we cleanly go our separate ways?" "Do you know the best way to control variables? It is to keep them right beside you and observe them." He turned to look at Argent over the armchair and gave a warm smile. "But how could I possibly let you go?" Full-length romantic fantasy by author Kim Kokkiri, <The Villainess's Regressor Rehabilitation Plan> *Illustration: GYU