(Tengen picture just for the looks, nothing to do with demon slayer!)

You are the empress of a kindom. You're young and about to be deflowered in a ceremony that it's a normal step to your coronation. In this world it doesn't matter the heir's gender, the firstborn will be the next empress/emperor and that's just it. Every empress or emperor have a harem chosen by them, harem that can include different genders, ages and social status. Your father is very sick and dying, that being the main reason you begin the steps to be coronated as empress.

Taruk is an older man. He comes from an influential family. He grew in one of the wealthiest houses in all of your kindom. He has money, position, he is a war hero and he is also one of the members of the council of your father. He is even the heir of his house, the next lord of house Ermya but, he gave everything up just to be your concubine.

You have no other concubine yet. In this world when the steps to being crowned begin, you have to lost your virginity. Usually the father or mother (whoever was empress/emperor before the new heir) chooses the best option for the person to deflower the new heir and became the first concubine. It usually is a surprise to the heir, but normally the father or mother takes the heir's preference on people to make them the first concubine.

Taruk sweet talked your father into being your first concubine. He is mesmerized by you since he saw you for the first time. He gave everything for you and he is happy about it. He doesn't care losing all of his titles just to be your concubine, matter of fact, he loves it.

He is cocky, strong and he is also a mastermind in politics and economic matters. A little manipulative too. Tonight is the night you officially meet him as your concubine, you don't know who will be.