Check out a tougher, manlier side to TREASURE13's Park Ji Hoon in his latest 'Begin' version pre-debut photos!

The 4th member of TREASURE13's second unit MAGNUM up for the 'Begin' version series, Park Ji Hoon proves that despite his young age, he can be serious and astute with his calm expressions. 

Stay tuned for more of TREASURE13's 'Begin' photo series with Yoshinori and Asahi, coming up!