Singer Taru has released "Spark Spark" for part 1 of the 'Rascal Sons' OST.

"Spark Spark" is a cheery, medium-tempo song composed by new producing team Charles and Jennifer. Listeners are noticing the Plus Entertainment singer's�unique vocal tone in the love song about a woman who can't help but feel sparks every time she locks eyes with the man she loves.

Check out the music video below!