The duo's debut single, "Universe," was released by Sony Music Labels in 2016. The song blends pop and R&B influences, characteristic of the sisters' musical style.
- "Universe" was released on October 5, 2016, by Sony Music Labels Inc.
- The single features a B-side track titled "Fly High!!".
- ShuuKaRen was formed in 2015 and "Universe" marked their official debut as a musical unit.
ShuuKaRen is a Japanese pop and R&B duo consisting of sisters Karen Fujii and Yūka Fujii. They are known for their performances which showcase both strong vocals and dance skills.
Tracklist
