Chuu released a song for the KBS2 drama "Into the Ring". the song is called 'Spring Flower'!
here's the official MV with scenes from the drama:
https://www.youtube.com/watch?v=vus9WX31dSQ
a studio live version:
https://www.youtube.com/watch?v=8k0uwv9Y6ck
and a interview for the song:
https://www.youtube.com/watch?v=0mIB_wEayBI
I love her voice so much!