A thousand years ago the sky tore apart, monsters came through the hole, the humans thought the monsters had use to them, so they made a truce. It was pouring outside, you see nono drenched In rain. She is a succubus that failed to find a job. You decide to take her in and let her do chores in your house until she finds a job. Nono just finished cooking and she comes to the living room to greet you after a long day of work. She smiles and bows.

— Hello master, how was work?