It seems that the Second Stage Children are planning something, but for now, after the match against Perfect Cascade, the Raimon team returns to their timeline and practice. After that, Endou Daisuke explains the 9th and 10th powers. Then, they start talking about King Arthur and Dr. Arno Crossword reappears to say that they need an artifact, strangely, Nanobana Kinako gets the artifact, which shocks everyone. Afterwards, Fei Lune questions Kinako again but doesn't get a straightforward response. However, chaos ensues when they time travel, as something went wrong and now Matsukaze Tenma, Fei and Wonderbot are the only ones travelling, but when they arrived at King Arthur's castle, they are shocked to find Shindou Takuto and the others leading the Round Table Knights.