2 Works in 백일의 낭군님 | 100 Days My Prince (TV)
When the Crown Prince mysteriously disappears, everyone in the palace seems prepared to move on. Except for Jongin, the prince's personal guard, who will stop at nothing to find Kyungsoo and bring him home.
What happened after Yul proposed to Yi-seo in Songjoohyun.
(or snippets of 100 Days My Prince' epilogue which I wished to see but didn't happen)