TWSが2ndミニアルバム「SUMMER BEAT!」をリリース！
UFC作家が手がけた楽曲「hey! hey!」が収録されています。
※日本発売日は6/25
“hey! hey!”
Lyrics by WASURENAI, Glenn, 최보라 (153/Joombas), 송지유 (Jamfactory), 장민우 (라라라스튜디오)
Composed by T-SK, Glenn, Heon Seo (헌서), Anchor, WASURENAI, YouthK, Jin Jeon
Arranged by T-SK, Ohway!
All instruments programmed by T-SK
Guitar by 홍훈기
Synthesizer by Ohway!
Chorus by Glenn, Heon Seo (헌서)