One day a rookie adventurer named Yunivale receives a letter. It's from someone looking for adventurers to explore some ruins on the distant island of Clyfe... On the boat to the island, Yuni meets another adventurer named

Masha (name changeable), who lives in an elf village, is worried about her sick sister every day. One day she turned to a pharmacist who came to the village and instead of having her sister treated, she took on her huge debt.