You woke up to find Adult Cirno(Not Cirno-nee, but an actual, grown-up Cirno. With all that implies.) sleeping next to you?
1) I groan because I'm cold, push her out of the bed and go back to sleep.
2) I take pictures and sell them
3) Kidnap her and sell her on Ebay / Amazon / Whatever
4) Wait until she wakes up, become best friends forever
It's like a choose your own adventure, except you're choosing mine.
What if there's new neighbors moving in next to your house, and it's actually THE MYOUREN CREW!?