Dungeon Elf - Dungeon ni Takarabako ga Aru no wa Atarimae desu ka?

A mystery that not even the most devoted RPG enthusiast can answer. Why are there conveniently placed treasure chests in dungeons? In the thickets of the Forest of Beginnings, a perilous place where even a party of heroes must face the possibility of total annihilation. Sometimes even within ordinary homes. Unbeknownst to all but the adventurers themselves, the treasure chests are always there, quietly aiding them in maintaining the balance of the world. This is the untold, unnoticed tale of someone burdened with a treasure chest.