My friend's wife is an extremely lewd tutor. (Fujijima Yui, VEMA-073)

Tetsu, who is retaking his exams for the second time, asks his father to hire his friend's wife, Yui, as his tutor. However, Tetsu is so focused on Yui that he can't concentrate on his studies. Seeing this, Yui, under the pretext of helping him focus on his studies, lets him touch her breasts. However, as Tetsu's hands become increasingly restless, he climaxes. Then, Tetsu displays his erect penis in front of Yui...