Daizai Dungeon Kyoushuujo no Hanmen Kyoushi: Hazure Gift no Annaijin ga Jitsu wa Saikyou no Tansakusha de Aru Koto o, Seito-tachi wa Mada Shiranai

A dungeon with seven levels that can grant all human desires. For those who want to explore the dungeon, a license is needed. Therefore, many enter training schools. At the school there is a young teacher with a bad reputation named Dill, then he meets a girl who wants to reach the eighth level and only Dill has ever gotten there.