Do As I Say - Obedience to the Ninja Master

"There's no place in this era for ninjas," is what the protagonist thinks despite having been raised in a ninja village. One day he is suddenly appointed as master of Kaede, a trainee ninja who has failed to progress in her training. Though he is normally put off by the closeness and affection she shows towards him, he is also starting to notice her rather developed figure. Under the guise of ninja training, he is instead ready to teach her techniques of the sexual type. First up is a escape drill where he binds her with thick rope before the fun begins! This ninja training will involving a constant targeting of her feminine, vulnerable spots! And after that...