Cosmo is a die-hard cosplay nerd who spends his weekends casting spells and battling mythical creatures in the forest. But when a mysterious package arrives containing an ancient, enchanted box, his world is turned upside down—literally. Sucked into a dark parallel dimension, Cosmo finds himself trapped alongside lost souls, all under the control of the Devil himself. But Cosmo isn’t one to back down. Armed with the magic he’s spent years perfecting, he’s ready to take on the ultimate challenge.