R's Koso YouTube Sponsorship Stats
rskoso.comR's Koso has sponsored 5 YouTube channels, including Samurai Matcha and Moon. See full sponsorship history and 2026 campaign data on SponsorRadar.
8
Sponsorships
5
Creators
1.6
Avg/Creator
2026
Latest
Sponsored Creators
YouTube channels sponsored by R's Koso
Recently Sponsored Videos
Latest videos sponsored by R's Koso
How Japan Stays Slim: 15 Food & Lifestyle Secrets
Samurai Matcha
Jan 24, 2026
Japanese Goes To America To Understand Why It's Overweight
Mrs Eats
Dec 23, 2025
I Stopped Counting Calories And Lost Weight In Japan
Chani Japan
Oct 17, 2025
20 Tiny Japanese Habits For A Healthier, Calmer, More Radiant You ✨
Samurai Matcha
May 24, 2025