Tsuki's gif, a member of the rookie girl group "Billie," who appeared in the interview section of KBS2's "Music Bank," is drawing attention from netizens.

Netizens who saw Tsuki's picture making ball hearts responded, "Tsuki is cute!" "I was surprised because she spoke Korean well," and "Pink hair suits her so well!"

Billlie, formerly known as Mystic Rookies, is a new K-Pop 7-member girl group under Mystic Story Entertainment (a subsidiary label of SM Entertainment). The group consists of: Moon Sua, Suhyeon, Haram, Tsuki, Sheon, Siyoon, and Haruna. Sheon was announced as a new member on November 19th, 2021. This group has no leader and they officially debuted on November 10, 2021.