Last name Shungai (俊崖 , Shungai ) , in the world, is an extremely rare surname. Much more prevalently, Shungai is the forename as well as the last name.
シュンガイ, 顺改, and 顺盖
Yeung
, Shungai 
) , in the world, is an extremely rare surname. Much more prevalently, Shungai is the forename as well as the last name.