Possessed by the rumored evil woman 'Yvon Argenthoz'! In her original work, she was a villain who met a tragic end because she was jealous of the female lead with her male lead, but after being possessed by her, Yvonne resolves to enjoy the life of a diamond spoon in peace. But the novel and development are different?! “If it's Yvonne's .. fishery, I think it'll be fine.” From the perfect match going straight to Yvonne out of the blue, and the unexpected dark side of the story. Will Yvon be able to live a peaceful diamond spoon life as planned?