Deep Tastes(2015)

The handsome Tomoya is popular in class and is close to Sakinori's best friend, Ako. However, according to Ako, Tomoya is a "personalist". Despite this, Sakinori's feelings for him continue to grow. Don't do that! The audience is on the edge of their seats, but Sakinori's desire for his saliva is unrelenting. The boldness of this shy girl is directly linked to eroticism, and it is truly fascinating.