In the entire world, Onchina (Onchina , Ончина , Оншина ) is an extremely rare female first name. More frequently, Onchina is the last name as well as the forename.
Оньшина, and オンチナ
Prasongsuk
, Ончина 
, Оншина 
) is an extremely rare female first name. More frequently, Onchina is the last name as well as the forename.