This is the goldmine. Search for "Japanese Hardcore" or "Sampling" on Booth to find indie Japanese producers selling their personal sample stashes.
J-Core is not about clean production. Use the distorted percussion loops provided to add texture. jcore sample pack upd
J-Core (Japanese Hardcore) is one of the most high-energy genres in electronic music. It blends the blistering tempos of UK Hardcore and Gabber with the bright, hyperactive melodies of anime soundtracks, J-Pop, and video games. This is the goldmine