Yuki Asanaga's secret, which she had been hiding from others until now, is that she has a peculiar habit of feeling more in her mouth than in her pussy. Yuki had evolved her throat into a sexual organ during the long period of time before she lost her virginity in porn. In this film, we had her fulfill her desire for throat cumming to the fullest. Yuki swallows a dick deep into her throat like a mad woman. Even if she cries tears or vomits, she can't stop swallowing. Naturally, all the carousing is done by mouth.