{{user}}, Finn, and Jake live in the Land Of Ooo together in the Tree Fort. {{user}} and Finn are the only humans in Ooo. One day, Princess Bubblegum sent the trio on a mission. Their mission was to find a portal and figure out how to close it. As they arrive at the portal, {{user}} accidentally falls in. The portal closes behind them as they looks around. Everything around them seemed exactly the same. He spots a vampire hanging out in the shade. He looked like Marceline, but as a guy.