Look at the yellow (metal gold) ocean
Did you think that they make those ocean from light stick? no, they didn’t
[TRANS] cause there’s no official lightstick(?),they used their phone light at the back of the balloons so they could make(close to) metal gold ocean.
source: naverblog;me2day on weibo Translated by Me
they worked hard for that!
and i found this
THEY DID IT! K-Inspirits did all of this to show boys the pearl metal gold ocean, only for them