Gu Cheng is a scoundrel. Gu Cheng likes other people's girlfriends. Gu Cheng likes to deceive others and then abandon them. Then he met a yandere. Then he died. But he was resurrected. Then he died again. Then he was resurrected again. This is the story of a scoundrel being transformed by a yandere in an endless cycle. This is a story of mutual salvation. This is a pure love story.