[1] Gate of Babylon

Is It Wrong to Try to Pick Up Girls in a Dungeon with Gate of Babylon?
...
Waking up in a mysterious world, August finds himself grappling with the dilemma of whether he can survive in a seemingly beautiful yet deeply dark world. Fortunately, leveraging the luck of his nine generations, he manages to obtain the Gate of Babylon belonging to a certain goldenman...

With the Gate of Babylon in his pocket, August decides to amass all the treasures available in the world. However, once again, he faces a dilemma... Are girls also treasures? Can he keep them in his Gate of Babylon?