what's "hijo ni muja kina" mean? (and i don't know that's a JAP. or KOR. language??)

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it seems Japanese. meaning is "so much innocent".

btw, "JAP" is a word using to insult Japanese.
if you write abbreviation of "Japan", i recommend you to use "JPN".

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i think it is japanese too.
it goes "Hikaru ni mujyakina.." it should added to the end "hito": person, or "koekei": scean. 
not cpmpleted sentence.
and like yellowseadog said JAP is insult, ( i understnad asker only made it short ) and i don`t understand KOR... probably Korean refer to the Japanese.