Mashin Souzouden Wataru

A new entry in the Mashin Eiyuuden Wataru series, in which the main character, fourth grader Wataru Hoshibe, appears as a RyuTuber aiming to become a superstar, and battles with his partner Ryuujinmaru in an alternate world of floating blocks to defeat the last boss “Enjoda”.
(Source: Oricon, translated)