AT-GB: I'm just your problem

I've been wanting to do genderbent adventure time fanart for a while now, so here's Marshall Lee singing about his undying love animosity towards Prince gumball

keep in mind I suck with tablets. This is my first time posting anything this long and made with a tablet so please bear with me, this was practice if anything. I tried to make it as close to the original as I could but of course the lyrics are tweaked a bit

heres the link to the original song [link]

nothing belongs to me but the drawing