Delivery health, commonly known as "deriheru," is a service many men have fantasized about trying at least once. But can it be enjoyed not only in typical settings, but also in various unusual situations? We investigated this question by conducting real tests at an actual establishment. Can you call a girl to your office? Can you play inside a car? Can you enjoy the service even during a studio recording or in the middle of a mahjong game? What if you're summoned to her parents' home—will she perform in front of them? And if a woman makes the call, does lesbian play become an option? We examined each of these scenarios to uncover the truth behind deriheru, thoroughly exploring its flexibility and potential through hands-on verification.