Some time after the events involving Burst Linker Dusk Taker, Kuroyukihime recalls recruiting Haruyuki Arita to the Brain Burst program—an application that allows players to accelerate their cognitive functions until time seems to stop. Since his arrival, Haruyuki has risen to fame among the other Burst Linkers and has been helping Kuroyukihime achieve her goal of reaching the highest level in the game. During a territorial battle with their legion, Nega Nebulus, Haruyuki and his friends are kicked out of the program after a destructive storm in-game. All over Tokyo, security cameras are malfunctioning, which Kuroyukihime deduces is related to the Brain Burst glitch. Determined to fix the problem, Nega Nebulus must recruit the other legions to find the source of the issue and restore the acceleration ability.

When he was a young boy, Afro witnessed his father be cut down in a duel at the hands of a man known only as Justice. After taking the life of Afro's father, Justice cast aside his Number Two headband and took the Number One to claim its godly powers as his own. Years later, having obtained the Number Two headband which grants him the right to challenge the Number One, Afro moves forward in his hunt for revenge on the man who murdered his father. There is just one thing that stands in his way—everyone else in the world! Though the Number One can only be challenged by the Number Two, the Number Two can be challenged by anyone. As his enemies gather to try and take the title of Number Two, Afro must fight through a myriad of foes and obstacles if he hopes to reach the Number One and claim vengeance once and for all.

Red panda Retsuko, worked to the bone, unleashes her frustration in the form of death metal. Lately, though, she's found another joy—getting the most likes possible on her Instagram posts. In fact, it is said that social media attention can release endorphins. As Christmas falls upon the city, Retsuko's hunger for validation only grows, pushing her to find new ways to embellish and sugarcoat her otherwise drab life for the internet to see.

Short anime screened alongside Aikatsu Stars! Movie. The film and the short will mark the first time the franchise is screening a double feature. (Source: ANN)