A woman is restrained with handcuffs in a secluded place where no one else is around. If you're kind and compassionate, you'd naturally want to help her. But the key to unlock the handcuffs is hidden inside her vagina. To retrieve it, you have no choice but to touch her pussy. And she's still restrained, completely helpless, with no one else in sight. While pretending to reach for the key, won't you end up touching her cunt? And once you start, will you really stop there? Her freedom is in your hands—naturally, what happens next is also up to you. This time, it's the story of a woman subjected to such cruel treatment. No one comes to her rescue; instead, she's met with even greater abuse. An endless restraint scenario where Mai Tsubasa is completely at your mercy, used however you please.