Five years ago, dungeons popped up everywhere. People become adventurers to explore dungeons and fight monsters. Now, Karaboshi Haruki, a 27-year-old man who just blends in, struggles to be an adventurer. Until one day, a dungeon popped up in his back yard.
This manga is based on a web novel and published by Seven Seas Entertainment. It is also known in Japanese as: Bouken-ka ni Narou! Skill Board de Dungeon Kouryaku.
