WorkVenture gives you an inside look at what it's like to work at 5 Decibel Co., Ltd., office & team photos, reviews and more. This is the 5 Decibel Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at 5 Decibel Co., Ltd..Apply to KinokuniyaApply to UrekoteApply to Wealth DesignApply to WV