On January 28, f(x)'s Luna released a collaborative track titled, "Healing Love" with LU:KUS' Choi for the soundtrack of drama 'Kill Me, Heal Me'.

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"Healing Love" is a sentimental ballad duet piece that narrates the ardent and 'healing' affections of love illustrated by Ji Sung and Hwang Jung Eum in the drama. In the track, Luna's fluffy vocals beautifully harmonizes with the sweet vocals of Choi and this is further accentuated by the soft electric sounds and the light strumming of the guitar.

Check out "Healing Love" below!