Singer Sung Si-kyung's former manager, Mr. Kim, has been reported by a third party. On the 10th, the Yeongdeungpo Police Station in Seoul announced that they had received a complaint against Mr. Kim on charges of embezzlement in the course of duty and violation of the Act on the Aggravated Punishment of Specific Economic Crimes. The complainant wrote in the complaint, "The Sung Si-kyung case reminded me of the 'Shohei Ohtani interpreter incident' that became a hot topic across the United States," adding, "The pursuit of private gain by abusing a celebrity's trust must be firmly punished."

Mr. Kim is known to have diverted VIP tickets for Sung Si-kyung's performances and profited by using a bank account under his wife's name. Sung Si-kyung's side mentioned that they had worked with Mr. Kim for over ten years and suffered financial damage. It was confirmed that Mr. Kim resigned from Sung Si-kyung's agency after the allegations surfaced.

On the 9th, Sung Si-kyung expressed his gratitude to fans through his social media. He said, "I think this is the first time in my life that I have received so many comforting and supportive messages," adding, "It made me feel that I haven't lived so badly, and I sincerely received a lot of comfort and help." He also added, "I received messages not only from senior and junior singers but also from broadcasting officials," saying, "Everyone shared the wounds they had experienced."

Referring to the four-character idiom "sae-ong-ji-ma," Sung Si-kyung said, "I feel that being an adult means accepting everything calmly without being swayed by ups and downs." He added, "This has been a time to reflect deeply on the flow of my life and who I am," and announced his year-end concert plans. Sung Si-kyung said, "For the fans who support and wait for me, and above all for myself, I will postpone struggling until next year."

Earlier, on the 3rd, Sung Si-kyung's agency, SK Jaewon, announced, "It has been confirmed that Sung Si-kyung's former manager betrayed the company's trust during the course of his duties." The agency added, "Following an internal investigation, we recognized the seriousness of the matter and are currently verifying the exact extent of the damage."

Sung Si-kyung revealed that he had gone through a difficult time in recent months. He shared his feelings, saying, "Experiencing a breach of trust from someone I trusted, cared for, and considered family is something I have never encountered in my 25 years since debut." On the 9th, he took the stage at the 2025 Incheon Airport Sky Festival and said, "I'm okay. I came here to sing with a joyful heart."

According to the complaint filed with the police, the charges against Sung Si-kyung's former manager include embezzlement in the course of duty and violation of the Act on the Aggravated Punishment of Specific Economic Crimes. The complainant emphasized in the complaint, "The pursuit of private gain by abusing a celebrity's trust must be firmly punished." Considering Sung Si-kyung's standing in the industry, the complainant mentioned that the amount of damage is likely not small and requested a thorough investigation by the authorities.