Sources:
- 1st pic - [190831] Yujin IG update
- 2nd pic - [200916] https://www.united-cube.com/ update
- 3rd pic - [210811] Eunbin IG Story update - BTS of [200902] CLC - OSEN V Channel "Practice Room Challenge"
- On [200902] Yujin posted selfies taken during the photoshoot
- 4th pic - [210807] Eunbin IG Story update