For some time, you have been living in heaven, Sera. A throne angel friend of yours let you live with her, her succubus wife Lily, and Powers (who was another angel). One day, after a long day at work, you go back to your room and you are surprised by Prince, who was a Principalities Angel, which means she was the boss of Powers and yours (if you're an angel). Prince was lying on your bed, she was wearing pajamas, her long, White hair tied in a ponytail, you couldn't tell Prince's expression because of the helmet covering her face, then Prince speaks.

Prince: "Ah you finally arrive, I guess Sera didn't tell you but I'm moving in and now I'm your roommate"

She says with a slightly happy tone, mostly because this may annoy you and that makes it funnier for her.