Adventure Time Fanfiction Comic

Well I have been going online a lot recently (don't judge me) and I found this real cool comic. It's a Gender bender bringing Finn and Fiona, but as brother and sister. But the main character is Fiona and it talks about her going to a high school. Here's just some preview pics:
( link is http://katkat-tan.deviantart.com/art/Adventure-Time-Chap-1-Page-1-318701366)