Known as the main dancer of global superstar group BTS, j-hope releases his second album titled ‘HOPE ON THE STREET VOL.1’ in which he tells of his humble beginnings as a part of a street dance crew and the journey to BTS.
The merchandise design is inspired by the fashion of street dancers.
I understand the specific nuances this specific fandom, mainly that with each "era" (or new album concept), his fans enjoy mimicking the aesthetic.