Otherwise Known As The Au Where Everyone Can Be Happy X 3 - Tumblr Posts

SVTFOE Au/Headcanon Idea

 Marco is a type of gender-fluid where he mostly identifies as a boy but has one or two days where he identifies as a girl. (Star especially loves those days because she can give Marco makeovers and suggest cute outfits.) (The Diaz’s are supportive and wonderful about it.)