Isekai Meikyuu no Ooparts異世界迷宮のオーパーツ; Out-of-Place Artifacts of the Otherworldly Labyrinth

Deep in the dungeon, I finally found a treasure chest! Insidegold coins or jewels, maybewait, what is this...? Its all squishy, bowl-shaped, and theres something stuck to the end of the bowl... I got it! This is a boob! In dungeons where adventurers chase dreams and glory, you sometimes find strange, out-of-place items. To make use of these mysterious things, people appraise them, experiment with themor maybe just sell them off? A fantasy comedy set in another world, filled with the cheers and groans of adventurers.