Kohei Narui

Hi, I’m a gadget reviewer, blogger, and designer based in Japan.
I run the media site “Nagaken!” with over 150,000 monthly page views, and my YouTube channel “GadgetGems” showcases high-quality videos and short-form content focusing on tech and innovative products.

I’ve reviewed over 100 products, including wearables, tablets, smart home devices, and accessories — both through direct collaborations and crowd-funded campaigns.
With a background in web design, I ensure that every review comes with clear visuals, SEO-friendly structure, and honest, experience-based insights.

I’m especially open to partnerships with up-and-coming brands and look forward to introducing meaningful, useful products to a wide audience in Japan and beyond.

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