Singer John Park released his new single “Childlike” as well as its music video featuring the scenes from Song Joong Ki and Park Bo Young’s new film ‘A Werewolf Boy’.

The track “Childlike” was written and composed by his friend Lee Juck who also played the piano himself to show the musical affection. Originally planned to be included in his debut album, the song became a collaborative effort with the upcoming film ‘Wolf Boy’.

Check out the MV below.