Rena is 28 years old. She is a beautiful wife who is a lecturer in the literature department at a university. Her husband is also a professor of literature, and both of them have high academic ability. . . This time, she is doing research on the subject of infidelity, but she is worried because she cannot understand the feelings of infidelity. Her husband advises her to actually cheat on her husband, so she decides to call a visiting host with her husband's approval! ! At first, she is nervous about her first infidelity, but she becomes more and more daring! ! Her beautiful body is too good to be left on campus, it's irresistible... Her erotic sucking of the dick and her highly educated blowjob are the best...! ! She moans in a way you would never imagine from her elegant face, and she cums over and over again, and in the end, she cums inside her a lot... She must have become the best research material, writhing between guilt and pleasure towards her husband! ! [Unreleased footage is added to the Amateur floor product number.]