"Kanna-style handjob learning method" that completely controls even the amount of sperm! ? A quick and variable handjob that invites ejaculation with a slow and high-speed up and down movement with sticky fingertips, and an instruction to stop just before ejaculation that stirs the head and balls with a sense of climax! ! A mischievous smile while clutching the erect cock hits you directly between the legs...! A little devil who doesn't allow ejaculation until it happens accidentally? A private lesson, a hand-tech tutor who uses handjobs to manage your grades and ejaculation! !