'Under Nineteen' star Ji Jin Seok walks to you in 'Just' MV

'Under Nineteen' star Ji Jin Seok reveals soulful 'Here' MV

Ji Jin Seok reveals trailer for 1st mini album

'Under Nineteen's Ji Jin Seok teases 'Pretend You're All Right' in live clip

Kids give their honest review to Ji Jin Seok's debut track 'Good Bye' in person

'Under Nineteen's 'Little Crush' Ji Jin Seok makes solo debut with sweet ballad 'Good Night'

Ji Jin Seok showcases soothing vocals in second MV teaser for debut single 'Good Night'

'Under Nineteen's Ji Jin Seok gets ready to dream in 'Good Night' MV teaser

'Under Nineteen' contestant Ji Jin Seok to make his solo debut this month