As we reported earlier, B2ST's Yoseob and Eunji's worked on a collaboration track for A Cube's new project, 'A Cube For Season.'

The soothing track titled "Love Day" was performed on today's episode of 'Music Core' as a special stage, exciting many fans of both B2ST and A Pink.

Check them out in action below, and be sure to view the rest of today's performances here!

-