Cheerful and energetic Miyu Morita takes on the "Standing Doggy Style Championship," a simple yet highly erotic contest with just one rule: all sex must be in standing doggy style. Her opponent is the male performer Tachibackman. Victory goes to the woman who can make her partner cum within five minutes after penetration. Considered a physically challenging position for women, how will Miyu adapt and strategize? Her arousal spikes at the slightest touch, and the video captures intense moments of deep kissing, blowjob, cunnilingus, and fingering as both partners build pleasure. The passion is incredible. Finally, when Miyu collapses to her knees, what thrilling climax led to that moment? Watch the video to find out.