White knightの覚悟！

エグゼイドがムテキゲーマーに変身を遂げ、ついにクロノスを退けた。エグゼイドが規格外の強さを手に入れたことが気に入らない正宗は、恋人の魂を人質にして飛彩に永夢を消すように命令を下す。戦いに赴くブレイブは決意を新たにし、ついにレガシーゲーマー・レベル１００への変身を成功させる。困惑する永夢。ところが、仮面ライダースナイプ＝大我だけには飛彩の行動の理由が痛いほどわかって―――。

Ex-Aid finally went Muteki and was able to beat Cronus! Masamune, who does not like the fact that Ex-Aid was able to attain a power that exceeded his control, angrily forces Hiiro to work for him as he claims Saki as a hostage! Brave forcibly renews his resolution, and this time he is able to transform into Legacy Gamer Level 100! Emu is more confused than ever, while Taiga is the only one who truly understands just how painful Hiiro's decision truly is…