Ep. 1: Haruyuki and Kuroyukihime confront Dushka in a low-gravity field using hybrid avatars.

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Two girls are attacked by a mysterious avatar inside the Umesato Junior School Local Network. Haruyuki’s subservient behavior distresses Kuroyukihime, prompting her to organize Nega Nebulus after Yuniko reports similar incidents. Kuroyukihime and Chiyuri act as bait to lure the culprit, Dushka, while Takumu and Haruyuki hide. Dushka transports them to the Accel Assault, a low-gravity field, and uses a new Assault Link command to transform. Kuroyukihime realizes they are in a branched part of the Accelerated World and activates Burst Link, allowing the group to become hybrids of their Local Network and Brain Burst avatars. Chiyuri and Takumu fight Dushka while Haruyuki uses Incarnation to become wings for Kuroyukihime, enabling them to defeat her. Back in the real world, Haruyuki apologizes for his attitude and resolves to be more frank with Kuroyukihime.