All over the world, ヒサイ (ヒサイ , Hisaj ) is an extremely rare boy's first name. Very seldom, ヒサイ is the last name as well as the forename.
Hisai, and 久居
ユウキ, and アキノリ
, Hisaj 
) is an extremely rare boy's first name. Very seldom, ヒサイ is the last name as well as the forename.