This time, the target is a girl who is aiming to become a dental hygienist!It was a great success in getting Mami-chan, who has a shortcut, to get interested in the story that the juice and sperm of the male genitalia was announced at the academic conference as being effective in removing tartar and making him suck the decachin!Mami-chan who seems to be serious sucks deep into her and moves her tongue hard, and the decachin is erected to MAX!Whether the erotic switch was turned on, he moved his hips and became more and more aggressive and had sex!