Singer Yerin Baek has returned to drama OSTs after five years. On the 14th at 6 PM, Yerin Baek released "Close To You (From Memories of a Hundred Times)," the OST for the drama "Memories of a Hundred Times," on various online music platforms. This song is a reinterpretation of the globally beloved 1970 classic "(They Long To Be) Close To You," showcasing Yerin Baek's unique emotional vocals and delicate expression.

Along with this, Yerin Baek officially announced that she will hold a solo concert titled "Flash and Core" on October 25 and 26, 2025, at the Inspire Arena in Seoul. Concert tickets will be available for reservation through Interpark Ticket starting at 8 PM on September 19. This performance is expected to offer a profound stage experience with direct communication with fans, drawing great anticipation from many music lovers.