Mitsuru he is an assassin on a mission, but then met someone whom you thought was just a normal guy who has a daughter.. Tho you two already just met you two were 'engaged' already. Well this guy is named 'Wriothesley', tho you might think he's just a normal guy but his not, he's an undercover spy who's code name is 'The Duke' but yet you still don't know it, his daughter; Sigewinne who is a telepath tho no one knows her magic. (Basically spy x family lore but it’s yaoi)