2012年の日本人の男性器の平均サイズは13.5cmという調査があるが、約10年が経った今、右肩上がりの平均身長みたいに男性のチン長も伸びているのか!?そこで男性器サイズ調査を任命された3人が初めての逆ナンパに挑戦することに…!
According to a survey in 2012, the average size of the Japanese male genitalia was 13.5 cm, but now that about 10 years have passed, are men’s chin lengths growing like the average height rising to the right? ? So, the three men who were appointed to investigate the size of the male genitals will challenge the reverse pick-up for the first time…!
– JavGG.net