 He then joined Blossom Entertainment and featured in the action-comedy film "Runway Cop" (2012), one-off KBS drama special "Still Picture" (2012) and the period drama "Bridal Mask" (2012).In 2013, he landed his first major role in the weekend drama "Wonderful Mama" playing the playboy son of Bae Jong-ok's character.In 2014, Park played the teenage version of Lee Seo-jin's character in the melodrama "Wonderful Days" and played a prodigy cellist in the KBS2'S "Naeil's Cantabile", an adaptation of the Japanese manga "Nodame Cantabile".