On March 23, actress Ryu Hyun-kyung took to Instagram to share a candid slice of her everyday life, from quiet reading time and on-set focus to a cheerful birthday bash. In the photos, she smiles while holding a book, and her concentration on set stands out. Her bright grin in front of a birthday cake also drew attention. Fans chimed in with comments like "So busy~" and "Why didn't you invite me to the birthday party?"