Etymology and distribution of 工楽.

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

Tokushima-ken Tokushima-shi , Kanagawa-ken · Toukyou-to . There is a 新居 last name. Tokushima-ken Tokushima-shi Tokushima-machi castle inside was in the Edo period in the Tokushima Samurai of the Clan office. The same family clan also had a family name last night in the Edo period. 新居 Arai reference.