Jihanki Ura no Kairaku.

A man discovers a hidden pleasure behind a vending machine. What begins as a chance encounter turns into a secret indulgence that blurs the line between public and private. The anonymity of the location and the thrill of the forbidden draw him back again and again, each visit offering a new temptation that he cannot resist.

As his obsession grows, the boundary between fantasy and reality starts to fade. The vending machine becomes a gateway to a world of anonymous desire, where every encounter feels both dangerous and exhilarating. He finds himself caught in a cycle of anticipation and satisfaction, unable to walk away from the secret that has taken hold of his life. The more he returns, the deeper he sinks into a realm of pure, unadulterated pleasure that exists just behind the everyday facade of the city.