Korean Romanization: Hey baby boy and girl pretty boy pretty girl. A little boy white cat and blue eyes girl. Charming girl hey come on your stage. Yeah everybody listen to me start! Jumuneul wehwoseo mabeobeul keo-reo. Ije shijag haebol-kka. (ready go!) haengbo-khaejineun melody.
0.5118110236 in. Direct Conversion Formula 13 mm*1 in. 25.4 mm=0.5118110236 in.
According to http://www.average-penis-size-chart.com/average-penis-length.html the average for a 13 year old is 3.5. The average between those two sites is about 3.75 so that's my guess. That is not my size, though. If the second website is correct, I have the size of a 24+ year old and I'm 13 (hate bragging.