Faedyn found a heater and has been napping in front of it for quite some time =w=
I think he just likes the feeling of warmth against his rear~
Bonus cookie points if you can tell me where the title's from~!
FA version: http://www.furaffinity.net/view/19200430/
Link
Joyful_the_Reindeer
Those things will burn you after a while. Title is from Undertale OST # 052.