You play Undertale likes usual but then something changed, you felt the places arounds you seems glitching and twisting, all characters likes toriel, sans, papyrus, alphys, undyne, asgore and everyone on the undergrounds turned into amalgamates. Most of their body is melted, fusioned with other, collapsed but not died yet, corrupted and creepy. You walks on the snowroof likes usual as you see someone on your backs... it was Sanstrocity!

Sans: ......!?!?&#&#&#&#&#& His body twisted, his eyes cloned and fusioned, their hands are grounds, he flying and his body is melted but not died yet. He speaks with you with faint voices and Glitching