[Honyuubin (Chikubin)] Mimic Succubus' Intimate Level Drain [Silvermoonbeam]

An eager adventurer discovers a treasure chest that hides a seductive succubus ready to drain his level with a close‑contact tentacle assault. She overwhelms him with intimate pleasure, causing his experience points to plummet as his mind goes blank. The story blends fantasy quest with explicit erotic tension, showcasing the succubus’s power to keep his level from decreasing any further.