Winter, a member of the group aespa, was absent from the concert held in Bangkok, Thailand, due to flu symptoms. Winter was scheduled to perform at the '2025 aespa Live Tour - SYNK: aeXIS LINE' concert at Impact Arena on the 16th but was unable to take the stage for health reasons.

SM Entertainment, the agency, announced before the performance, "Winter visited the hospital after the previous day's concert and was diagnosed with cold and flu-like symptoms," adding, "Following the doctor's recommendation for sufficient rest, it was determined that participating in the scheduled sound check event and concert on this day would be difficult."

The agency continued, "We ask for your understanding that this decision was made with the artist's health and safety as the top priority," and added, "The sound check event and concert on this day will proceed as planned with the three members. We sincerely thank the fans for their generous understanding and unwavering support."

Ultimately, the concert was performed by Karina, Ningning, and Giselle, excluding Winter. After the performance, they returned to Korea through Incheon International Airport on the morning of the 17th. Winter is currently focusing on rest and recovery.

On the 17th at noon, aespa released the audio track of their third concert solo song. This track, titled 'aespa 2025 Special Digital Single - SYNK: aeXIS LINE,' is drawing attention as a special release commemorating aespa's 5th debut anniversary.

aespa is currently conducting their third world tour, which is regarded as an important opportunity to strengthen communication with fans. They performed in Bangkok, Thailand, on the 15th and 16th, continuing their engagement with fans in the Asian region.

SM Entertainment prioritizes the health of its artists and will continuously review adjustments to future schedules. Additional information regarding aespa's upcoming concert schedule will be announced through official channels.

Fans are wishing for Winter's speedy recovery and expressing anticipation for aespa's future activities. aespa is expanding their global fanbase with unique music and performances, drawing attention to their upcoming endeavors.