The manga centers on three sixth graders, Yoshiki Obana, Mikoto Tajo, and Kikuri Kushida, who meet up at morning to get to the bottom of... more>> their town's "seven mysteries" as a free summer vacation project. After finishing one meeting at their "secret base", Yoshiki meets a mysterious ghost on his way home. <<less

Dungeons.... more>>

A romantic setting.

However, that’s only for adventurers.

Cleaning, replenishing supplies, and dealing with complaints.

Aine and Nacht work hard behind the scenes as floor staff in the dungeon.

Damn adventurers.

The dungeon staff now turns its fangs on the adventurers who gather together while not caring about the troubles of others!

The unique and exciting horror, fantasy of a different world begins!! <<less