Her alluring body wrapped in jet-black enamel. Lewd memories etched deep into Ayumi's mind continue to stir. Living a gentle, peaceful life, she secretly cherished sweet dreams of her deceased former lover—a dominant trainer. Those dreams are suddenly reignited by a mysterious training email from an unknown sender, awakening her dormant masochistic desires and guiding her toward an intense, burning pleasure that consumes her entire body. As the boundary between reality and fantasy blurs, Ayumi's body is once again enveloped in exquisite ecstasy.