瀬戸弘司 Koji Seto / 15周年グッズ販売中！

Koji Seto is a long-standing Japanese YouTuber and personality, now celebrating 15 years of content creation, known for his engaging tech reviews, product unboxings, and comedic skits. With a strong engagement rate of over 16% on Twitter, Koji Seto is an ideal partner for brands seeking to reach a tech-savvy audience in Japan through authentic endorsements and product integrations.