Etymology and distribution of アグイ.

Agui* 【アグイ】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Toukyou-to . Korean type . Terrain . "Wild" added to Zhu. There is a record of naturalization on Toukyou-to Nakano-ku on January 14, 1963. It is also "Sumidano". The real name is Zhu. It is unknown whether Sumidano will exist. 朱 Shu reference.