Aha, I also played Undertale too, and bit it and felt in love a lot XD love with the story, the characters and the musics. So it really deserved to have a fanart from me ^ ^
So here you go my fanart of the game. Got the determination to manage this! : D
Music that inspired me www.youtube.com/watch?v=Y2Ow3e…
Undertale title and characters © by Tobyfox
Link
Python Blue
Very nice work! Still haven't played the game, personally, but I am aware of how successful it's become.