Finn stressed out of his mind and body, he goes to Marceline's house for a Jam Session, only to be turned to something else to re-leave Finn of his stress Rated M for a reason. Contains: Lemon/Smut. Finnceline in here. (Don't own Adventure Time, nor the Picture those go to their respectable owners.) DANGER CHARACTERS WILL GET TORTURED/KILLED YOU'LL HATE ME.