Adventuretimegenderswap Stories

[WARNING: Mpreg. Don't like? DON'T READ.] *This is an Adventure time gender-swap story about Prince Gumball and Marshall Lee, (Gumlee.)* Marshall has always been a tro...

Marshall Lee x Reader high school AU~ It all started when the delinquent new kid Marshall Lee got assigned as my partner for a sex-ed project. And then he wouldn't leave...

Marshall arrives at Gumballs castle and has a few things to say to the prince. -This starts off as angsty but then it turns into more of a fluff...then back to angst...