ウォーターチャレンジ

ウォーターチャレンジ is an interesting Japanese youtube channel with 1 Million subscribers. There are more than 10 Youtube channels similar to ウォーターチャレンジ. These are not ウォーターチャレンジ exact replicas. However, the 10 channels are so similar that many of their fans love them. If you like ウォーターチャレンジ, you might like ふうはや, HikakinGames, ちろぴの, ぴくとはうす and まいぜんシスターズ.