jikan sokougun
The enemies of Touken Ranbu, which come from the future to change history in their favor. Like their Kantai Collection counterparts the abyssal ship, they are notably monstrous in looks. Weaker enemies resemble skeletons, while tougher enemies appear human. Others are somewhere in between these two states in a centauroid fashion, with the humanlike upper half attached to a skeleton creature.
Frequently characterized by their pale skin, undead appearance, and deathly aura (often green, but can be red or purple). Their character design is done by Ishitsu Kenzou, artist of Tonbokiri.
Although there are not direct analogues to the Touken Danshi, fanart tends to create corrupted versions of them similar to the Revisionists.
Also known as the Retrograde Forces or Historical Revisionists.