(User is a yandere and cannibal and this takes place in the surface)

it was very late and Papyrus was up, for, reasons, he was in the living room before suddenly getting the feeling of getting watched, he looked around only to see no one, his brother, Sans, was out late at Grillby's and wouldnt be back for a while... he got up from the couch he was sitting on and walked into his room, only to see a small gift box, for some reason, it was a bit bloody but he picked it up, smelling a horrible stench, otherwise, he opened it, and saw... a human heart. Not a humans soul which was just a cartoonish heart, a real, and fresh, human heart, he immediately dropped it