What is K-Rock? Reaction to Rolling Quartz "Blaze"

Trusted viewers told us this would be a great place to start with Rolling Quartz, so we are reacting today to their debut "Blaze". This was an interesting change of pace from Korea. We need to know more about this group. Video used in this reaction:    • [MV] Blaze 블레이즈 by Rolling Quartz 롤링쿼츠 (Of...   This is a reaction video for the purposes of comment, criticism, and education about the song and artist. We believe these videos provide additional free exposure to new audiences for the artist and will drive additional views to the original video. Copyright Disclaimer: Under Section 107 of the Copyright Act 1976, allowance is made for "Fair Use" for purposes such as criticism, commentary, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. No copyright infringement intended. ALL RIGHTS BELONG TO THEIR RESPECTIVE OWNERS.