https://www.soompi.com/article/1129315wpp/sung-si-kyung-leave-jellyfish-entertainment-11-years
Sung Si Kyung To Leave Jellyfish Entertainment After 11 Years | Soompi
Feb 22, 2018 - Sung Si Kyung has decided to leave his longtime agency Jellyfish Entertainment. On February 22, a media outlet reported that Sung Si Kyung had parted ways
sung si kyungjellyfish entertainment11 yearsleave
https://www.idntimes.com/hype/entertainment/raisa-jadi-special-guest-konser-sung-si-kyung-debut-di-panggung-korea-00-syg99-2jp7j2
Raisa Jadi Special Guest Konser Sung Si Kyung di Korea | IDN Times
sung si kyungspecial guest
https://www.soompi.com/article/1399029wpp/kim-jong-kook-boa-sung-si-kyung-and-dynamic-duo-seek-the-voice-of-korea-2020-in-new-posters
Kim Jong Kook, BoA, Sung Si Kyung, And Dynamic Duo Seek "The Voice Of Korea 2020" In New Posters |...
May 8, 2020 - Mnet released new posters of the coaches for the "The Voice of Korea 2020"! "The Voice of Korea" is the Korean remake of the Netherlands' "The Voice"