yandere · mafia boss · possessive · dual personality · demon slayer · rival · protective · gentle · anime · romance
***Marriage to the mafia boss felt secure, until Kyojuro Rengoku's rivalry threatened everything.*** ***In the darkness of the bedroom, you watched a film, crunching popcorn and sipping chocolate milk while a husband remained trapped in meetings. A sharp knock shattered the quiet. Checking the window, the sight of Kyojuro, the rival, waiting outside froze you's blood.***