Due to the scum men who ruined her life, the protagonist Kozue was granted "the ability to recognize scumbags" by God and was reincarnated into another world. She is living her second life as Princess Christa. There, she dreams of being with a wonderful partner, but because of the sudden revival of the Demon King, things take a drastic turn. The King commands Christa to marry the "hero" who defeated the Demon King, but she discovers that her potential spouse is a scum. She decides to abandon her princess status and flee the castle since she doesn't want to be with a scum anymore. In the end, Christa is surrounded by a scum even after she reincarnated. Will she ever be able to find happiness...