Don't be the light in the darkness. Unless you want to be torn apart by monsters from above. Everyone knows the Underdark is fraught with danger, but that's no reason to wait for death. It's time for something new. —The story begins with a mushroom-man who leaves the mushroom forest. DND universe, swords and magic, mushroom-men and other strange creatures.

Ryan Bloodmoon: "I want to buy a large house with a garden and fountain in the mage district of Casano City, then marry a beautiful pure-blooded human lady. If possible, I'd also like to take a pure-blooded elf girl as a concubine." ———【Demon's Lament】is a game with an extremely grand world view. Three hundred years after the pacification of the orcish invasion, the demon plane invaded the Thunderclap Continent. The continental alliance composed of races such as humans, elves, orcs, goblins, dwarves, and giants suffered repeated defeats, retreating to Casano City, preparing for a desperate battle. Thirty-six legendary mages from all over the world gathered in Casano City, unleashing a terrifying forbidden spell, repelling the demon invasion, and tearing apart the interdimensional gate connecting to the abyss plane. One hundred years after the demons' defeat, the forbidden spell elements swirling around Casano City dissipated. Ryan Bloodmoon, from the distant mines...

"You ask me what I need to bring when exploring a dungeon?" "An enchanted longsword, a mithril suit of armor, a shriveled loaf of bread..." "No, buddy, you don't need any of that." "The only thing you need is a pot." ...A wild slime appears! "Grab it, coat it evenly with salt, and dry it instantly—dried slime is ready, chewy and a must-have for satisfying cravings." A wild walking mushroom appears! "Cut off its legs, add it to cream and simmer—a savory, melt-in-your-mouth creamy mushroom soup that's unforgettable; thickly slice its body and fry it—crispy on the outside and tender on the inside, bursting with juice in every bite, leaving you wanting more." A wild goblin appears! "...Smells bad, tastes even worse. Take its roots for medicine, then make Dass!" [Also known as "I Eat Alone" and "The Old Foodie of the Underground Dungeon"] [Main character becomes...]