As players of Monster Hunter and Dungeons & Dragons know, the slime is not exactly the king of the fantasy monsters. So when a 37-year-old Tokyo salary man dies and wakes up in a world of elves and magic, he's a little disappointed to find he's become a blind, boneless slime monster.

Mikami's middle age hasn't gone as he planned. So when he wakes up in a new world straight out of a fantasy RPG, he's disappointed but not exactly surprised to find that he's facing down a dragon, not as a knight or a wizard but as a blind slime demon. But there are chances for even a slime to become a hero...