Etymology and distribution of 龍岩.

Tatsuiwa 【龍岩】^{レベル3
About 80}  The Japanese surnames etymology dictionary.

Oosaka-fu Higashioosaka-shi . Korean type . Oosaka-fu Higashioosaka-shi has a record of expiration of Alien Registration Certificate on August 20, 1968, October 1, 1968. The real name is Li. 李 Ri reference.