Gundam Breaker: Battlogue EP5 - The Mighty Ones

The identity of the masked man is revealed to be Mahara, who was defeated by Takuma in the final round of the Gunpla Battle U.S. Championship. With Misa's assistance, Ryusei and the others escape their predicament, then do their utmost to confront Gunpla controlled by the special AI characters that Mahara has created.