Not fanart. The original.
This picture is based on Korean culture. Because I am Korean. ^ㅇ^
It looks like just manga, but content of this picture is not Japanese or Chinese culture.
Naengmyeon(cold noodles) is a traditional Korean summer food. very delicious and cooooooooooool.
And girl's clothes are hanbok.(Korean traditional clothes.)
but!!! in this picture, my arrange version ^ㅇ^;;;
The flower is Mugunghwa(rose of Sharon).
The Rose of Sharon is regarded as the national flower of Korea.
finally, the background are based on traditional Korean eight-fold folding screen.
Thank you for your time and consideration.^^