The Japanese music scene is so much more than ‘just’ J-pop and Kawaii Metal (although the former is slowly starting to grow on me (what’s wrong with me???) and I am absolutely crazy about the latter).
Here is an example of a) a group playing music you might not associate with Japan and b) is played by an all-girl group. Growing up with grunge, I guess they’re the Metal Riot-Grrrls of Nippon.
Here’s the thrashy and fantastically named Flagitious Idiosyncrasy in the Dilapidation: