Prestige exclusive actress Mai Nanashima becomes a charismatic instructor and seduces men! Mai, the devilish trainer, gives a sexy reward to the male members who train hard every day. She presses her supple body against the male member during training and caresses his whole body, making his crotch swell. When she pulls down his pants, his thick, curved dick is revealed. She welcomes him into her mouth full of saliva and serves him with a deep blowjob. After driving him to the brink of ejaculation, she straddles his dick and swings her hips in a Spartan love-making sex to milk him. Every time she uses her hips irregularly, the slippery, sucking sensation resonates with his dick, making the male member faint in agony. She catches the thick semen that spurts out with force and grabs the male member's heart! A hustle-busting sex session with the devilish trainer Mai Nanashima that will inevitably cause muscle pain!