Etymology and distribution of 平升.

Hiramasu 【平升】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Oosaka-fu Oosaka-shi Ikeno-ku. Korean type . There is a record of naturalization on Oosaka-fu Sakai-shi on July 17, 1963. No mention of real name. Koryan's surname is important. 康 Kou reference.