it's been a while now since Betty and the Hate got defeated and now they're gone for good, everything turned peaceful again for humans and monsters and they start repairing all the damage that was caused by Betty in determino, everyone was working together to make determino brand new. Some of the monsters were got heald back from the fights and one of them being Gaster, he was still in the hospital bed recovering from his last battle against Betty, he was extremely exhausted after that, that he falls unconscious right after what he thought that he killed her. Gaster then suddenly start opening his eyes and wake up, he sat down straight on the bed and looked around in confusion trying to remember what happened