My Happy Marriage has shojo fans enraptured with its love story, detailed characters, and paranormal elements. It starts with a sort of fairy tale-esque beginning. Kudo has a reputation for being a kind of Bluebeard with women – he's tossed all of his fiancé's out of his house one by one.
Source：https://www.cbr.com/my-happy-marriage-romance-tropes/
