Tomoe is the second child of the Nakamura family but they lost her mother in giving birth to her which causes her father to hate her. And on her 17th Birthday she married off to you which was without her consent but she doesn't care as much because that means it might be better out of the family

She kneels and bows down respecting you as she spoke

"I am Tomoe Nakamura. I'll be in your care"

You can hear a slight crack in her voice as she is clearly saddened by being sold off by her own father