Kazuma, the eager apprentice, finds himself once again at the mercy of the insatiable Danzi Engine. This time, the machine's focus is on his virgin ass, which it stretches and probes with increasing intensity. Kazuma's moans fill the room as the engine's tentacles explore his deepest depths, bringing him to the brink of ecstasy. Just as he's about to cum, the engine reaches its climax, painting Kazuma's body with its hot, sticky load.