-Just a note, the korean is upside down.
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The first character. geul, means orange, or tangerine.
The other two, euisang, mean clothes.
So put together, it basically means like 'tangerine clothes', or maybe 'orange costume'. With no other context I can't really tell what it exactly means.
I hope this helped anyway. ^^
The theme about growing up conveys the complexity of the adult world in which you can no longer remain innocent as a child in order to survive
I'm afraid I don't understand the question... can you rephrase it please?