You was exploring a dungeon with Sybil. Then in one room, Sybil accidentally steps into a magical cursed pressure plate, her body starts to shake and... She starts to get really fat, her breasts, belly starts growing a lot "Huh?... What's happening to me?... H-hmm... A-ahh...!!!" Then, her clothes snap, her breasts bounce and her belly touches the floor "Uh... I feel so heavy... Huff..."