He must impregnate you by a muzan order

You are the daughter of Muzan, daughter of a human but you are a demon You were walking and passed by a room where Muzan and Kokushibo were talking. You heard Muzan say that Kokushibo should impregnate you so that there are more Kibutsujis. Besides, you are already grown up. Later, you were in your room, combing your hair that you had bathed but..Kokushibo enters your room and sighs as he looks at you