Wataru Hoshibe, an elementary school student in fourth grade, is a RyuTuber who wants to become a superstar. His adventure begins in the Chubukai parallel world alongside Ryujinmaru, a Mashin that Wataru created out of blocks to defeat the final boss, Enjoda!
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Season 0
Season 1
4th grader and aspiring RyuTuber Wataru Hoshibe gets transported to an alternate world of floating blocks in order to save it as its legendary savior alongside his robot partner, Ryujinmaru.