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.

Mutsumi TamuraWataru Hoshibe (voice)

Tomokazu SugitaRyujinmaru (voice)

Atsumi TanezakiKakeru Amabe / Uzume (voice)

Katsuyuki KonishiOffline / Online (voice)

梅澤めぐMaro (voice)

Rie KugimiyaRyun Ryun (voice)

市川蒼Sho (voice)

土岐隼一Mygah (voice)

Shigeru ChibaGrandpa Channel (voice)

Jun FukuyamaMaster of the End (voice)

村瀬歩Fake Bakuro (voice)

LynnHon Hon (voice)

Nana MizukiManeko (voice)

Hiroki TouchiAtsume Niku (voice)

Shirou SaitouPrankster (voice)

Hiroki YasumotoSabai Baru (voice)

Yu KobayashiReiko Urabe (voice)

加瀬康之Kiri (voice)

Toshihiko SekiMr. Liar (voice)

Nobuyuki HiyamaTeacher Red Penguin (voice)

徳留慎乃佑Byaku Byaku (voice)

平田真菜Gen Gen (voice)

阪口大助Tsukuyomi (voice)

塙英子Phoenix (voice)

亀山雄慈Byakko (voice)

中野泰佑Genbu (voice)

Shō HayamiEnjoda (voice)

高垣彩陽Tsugune Yuki (voice)

Tomokazu SekiMuscle Smile Kenji (voice)