It's a mystery that even the most avid RPG enthusiasts cannot answer. Why is there a treasure chest conveniently located in a dungeon? In the grassy area of ​​the Forest of Origin. A place where even the hero and his party prepare to be wiped out. Sometimes, even inside a private home. The treasure chest is always there, secretly helping adventurers and maintaining the balance of the world. No one knows this, no one cares. This is the story of someone who carried a treasure chest on their back.