Mamushi no Ori -Yuusha Shokushu Kairaku Jigoku Ochi | 魔蟲ノ檻 ～勇者、触手快楽地獄堕ち

Deep within a certain labyrinth—there, successfully defeating the master of the labyrinth and raising a cry of victory, were two heroes.

One was the Saint Elistera, possessing powerful magic, and the other was Zigrid, an unparalleled warrior known as the Sword Saint. The two had visited this labyrinth because they had been commissioned to subjugate the monster lurking within.

However, their swords and magic had no effect on the monster that appeared. Faced with a monster that still pressed in on them even after its head was severed, Zigrid and Elistera could not hide their impatience.

There was a single demon—Vedram—who stared intently at the two. The monster attacking Zigrid and his companion was due to Vedram's unique power—the ability to control special insects called .

With an ambition that even the mightiest demons could not achieve, Vedram finally captured the two. Now, with the heroes trapped in the labyrinth, a cage of demonic insects, as sacrifices, a dark frenzy is about to begin...!