Please Don’t Milk Me, Merchant-san!!

The mysterious Tartaros, a massive subterranean maze, entices daring treasure seekers around the clock. Regrettably, luckless newbie adventurer Rabi succumbs to a snare within the dungeon. Unexpectedly, he meets Firo, a cunning animalistic merchant, and enters into an agreement to become her favored customer.
What dangers and rewards lie ahead for Rabi on his expedition? Will he remain spellbound by Firo’s attractiveness and keep buying her products?