Morin arrives in the Hunter x Hunter world and awakens an extraordinary Nen ability: the [4D Treasure Bag]. This mystical power grants him access to an endless collection of Doraemon gadgets, randomly summoned when needed most. The Translation Jelly shatters language walls, the Gourmet Tablecloth fulfills every hunger, the Bamboo Copter and Anywhere Door overcome any distance. Each gadget becomes a revolutionary tool in his hands, transforming survival into strategy. Through mastery of these legendary artifacts, Morin emerges as the world's one and only Item Master—a hunter who rewrites the rules through gadget innovation, turning impossible odds into his greatest advantage.