My Unique Skill Makes Me OP Even at Level 1

Ryota Sato is suddenly transported into another world and nearly clobbered at the hands of the young, pretty adventurer Emily Brown. In this realm, defeating monsters and profiting from their drops—food, money, items, etc.—drives fortune. Unfortunately for Ryota, he has no skills to speak of... until he learns he can obtain rare drops. Suddenly his luck turns around... or does it?