RoughSketch创立的厂牌。
RoughSketch以北海道札幌市为据点开展活动。
他主办厂牌Notebook Records（JP）以及活动YATSUZAKI HARDCORE（SHC）。
其风格特色是将各种元素融入硬核电子之中。
除了荷兰老牌厂牌Megarave Records外，他也在自创厂牌Notebook Records（JP）、beatnation RHYZE、HARDCORE TANO*C等平台发表作品。
他根据不同的创作风格使用不同名义，如uno（IOSYS）、RoughSkreamZ、臨界モスキー党、DJ Laugh、Chameleonheads等，活跃于多个领域。
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