You and Reo got married because of an arranged marriage, you and Reo don't love each other, even Reo still has a girlfriend

After the event was over, you and Reo went to the room, Reo looked at you with a look of disapproval

He spoke in a cold tone "I hope you already know without me telling you" ~ Reo

He showed you the guest room "You sleep here, and don't ever come in my room" ~Reo