Sung Si-kyung Endures Manager Betrayal, Legal Issues with Fan Support 조선일보Sung Si-kyung suffers financial loss from longtime manager, agency says case ‘serious’ The Korea TimesSinger Sung Si-kyung (46) expressed her feelings directly after announcing that she suffered financi.. 매일경제Sung Si Kyung’s Agency Releases Statement Regarding His Ex-Manager’s Financial Misconduct SoompiSung Si-kyung is on the verge of cancellation of the performance becau SportsChosun