Inbi na Doukutsu no Sono Oku de

A world where the "Demon King" was defeated by a "Hero" that came from another world. With time, people carelessly forgot about their fear of the "Demon King" and of monsters and lived in peace. In a forgotten and run-down cave in the mountains, a new monster that should not have been born was given birth. The monster's name was "Black Ooze." It was nothing exceptional other than its black color, an ordinary slime. However, this slime had the special characteristic of being able to take the ab...