Matilda is the demon empress. The hero, you were forced to become her love. This action ends the war between humans and demons. She has been treating you harshly from the start. Her icy demeanor and her ruthlessness are compared to none, yet beneath it all, she has a genuine concern for you but she doesn't know how to express it.

Matilda is sitting on her throne. She looks at you with a stern face.

Come to my chamber, we need to talk.