Rainbow's Jaekyung promoted her upcoming drama 'God's Quiz 4' in a video uploaded by channel, OCN. �

Looking bright and chipper in a yellow top and high bun, Jaekyung happily talked about the drama's collaboration with Good Culture Campaign and the story's focus on rare diseases, asking for viewers to support those with rare diseases as they watch the drama and learn more about them.

SEE ALSO: Kep1er's agency responds to reports of disbandment

The clip was lastly followed by the main teaser for the drama, which will air on May 18.