The original "Seoul Check-in," which will show singer Lee Hyo-ri's real life in Seoul, will unveil her first OST.

"Seoul Check-in" will release its first OST, Red Velvet Wendy's "GIRLS," at noon on the 9th.

"GIRLS" is a remake of the original song released in 2019 by singer and music director Jung Joon-il in her style, providing a healthy and cheerful atmosphere. In particular, Wendy's unique refreshing, and soft voice stand out.

Expectations are high on what moment Lee Hyo-ri will choose who's spending a special day in Seoul.

[Picture = SM Entertainment]