SIRO-5517 "A beautiful science researcher has come to prove her sex diet theory! Her intelligent and gentle demeanor charms men! The contrast between her shaven body and the thick hair she hides is irresistible! Sex is both beauty and diet…":

Today’s guest is [Otosan, 34 years old]. He looks like he’s in his 20s! I can’t hide my surprise! This beautiful Otosan has been married for 4 years?! I envy her husband! She’s in a rut with her husband and they don’t have sex. I want to have such a beautiful wife every day! Otosan’s job is a scientific researcher?! She’s what they call a science girl! She has an intelligent and calm atmosphere! I thought she was having a relationship with a student at university, but she doesn’t and she seems to be spending lonely days. When I asked this smart and good-looking Otosan why she applied, she said it was for sex dieting! She thinks sex is a sport?! Science girls’ thinking is beyond our understanding! Her blowjob, which has been researched, gently and strongly attacks a man’s weak spots with an exquisite balance! The cowgirl position, which inserts at an acute angle, squeezes out the sperm! Please take a look at the science girl play that has been thoroughly researched in sex!

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