j-rocker
A j-rocker is someone who listens to J-rock and acts like they’re in a band. They think Germany is the only place that matters, and they’ll tell you why.
"Germany loves me more than my ex loves me.", A J-rocker at a concert
"I'm not just a fan, I'm a legend in the making.", A J-rocker on Twitter
"If the UK doesn’t start caring about J-rock, I’ll start a war.", A J-rocker in a group chat