14-year-old 'rap geniuses' Achillo and Park Hyun Jin coming back with 'Bucket List'

13-year-old rookie rapper ACHILLO under fire for calling BTS' RM a 'Rap Retard'

13-year-old 'rap geniuses' Jo Woo Chan x Park Hyun Jin x A Chillo drop 'OGZ' MV!

13-year-old 'rap geniuses' project group 'OG SCHOOL PROJECT' announces new debut date

Jo Woo Chan x Park Hyun Jin x A Chillo tease hip hop collab track 'OGZ'!

Jo Woo Chan, Park Hyun Jin, and A Chillo release teaser images for 'OG School Project'