The eastern part of the country faces a group assault of numbered kaiju. While Narumi and Kikoru have managed to overcome their respective adversaries, Hoshina finds himself in difficulty against No. 12, which is none other than the optimized version of No. 10! The fight is all the more at his disadvantage since he does not manage to raise his combat potential beyond 83%... But a sword by hand, he refuses to confess defeated!