Taeyeon released a recent photo on the 18th. In the photo, Taeyeon is posing with a long sword. Taeyeon struck a powerful yet charismatic pose.
About Taeyeon
Kim Tae-yeon, known mononymously as Taeyeon, is a South Korean singer. She debuted as a member of girl group Girls' Generation in August 2007, which went on to become one of the best-selling artists in South Korea and one of the most popular K-pop groups worldwide.
 Wikipedia