After managing to defeat Leonhart, the participants were able to escape the Calamity, but Akira and Yuri were left behind. As Akira and Yuri attempted to find a way out, Mion naughtily hatches a scheme and tricks them to do some NAUGHTY TASKS as a condition to escape the Calamity, which Akira and Yuri are compelled to accept in order to return to the real world

AU retelling. 14 individuals were mysteriously abducted and brought to what appeared to be an abandoned city, where the apparent instigator, Mion, forces the victims to participate in a Battle Royal where only the sole survivor would get a prize and resume his/her normal lives. The victims have no memory of their previous life other than their names, and have a time limit of 7 days

AU. A female teenager was framed for a crime she didn't commit but was abducted and forced into an experiment until she escaped. Pursued by a mysterious organization, she is about to be recaptured but is saved by a teenage genius who happened to be a WANTED fugitive and a Kamen Rider. Featuring KAMEN RIDER BUILD

Mion is intending to RESTART The Program to antagonize Akira and his allies when she came across the FATED Holy Grail war, and after somewhat learned of its origin Mion decided to modify he approach and made contact with a Servant and offered her something that entices her to strike a deal. As a result, Akira, Yuri and a select few are now dragged into the Holy Grail war.

After an attack from an unknown participant, Akira and Yuri decided to lie low and hide from other participants of the PROGRAM, but there was a problem as they deduced that their personal info may have been leaked, thus can't stay at their homes. However they encountered a college student who offered sanctuary at a dormitory, where hilarity ensued. Feat. MEGAMI-RYŌ NO RYŌBO-KUN