Is It Wrong to Try to Pick Up Girls in a Dungeon? Collector's Omnibus Edition I

In Orario, fearless adventurers search for fame and fortune within the monstrous underground labyrinth known as the Dungeon. But Bell Cranel has bigger plans. He wants to pick up girls! Blessed by the clumsy but caring goddess Hestia, Bell forges friendships, makes alliances and continues to venture deeper into the Dungeon. There are big decisions to make, trouble constantly afoot, and most importantly -- there-s always beautiful women to encounter!?