Tsuihou Sareta Renkinjutsushi-san, Saikyou no Dungeon wo Tsukurimasen ka?

Rick, an alchemist who was banished from the strongest heroes' party, is wandering the wilds alone, when
he saves a beautiful woman. It turns out that she is a dungeon spirit! Rick makes a contract with her and becomes the dungeon
master. Now he is determined to create a dungeon that will defeat all the heroes!
 


(Source: Young King Comics, translated)