Taketsumi and Saito tell Itsurugi and Anisage to fucking stop or else and Itsurugi goes no fuck you I wanna know the truth but Anisage bails so Itsurugi ends up fighting Saito who beats the fuck out of him and leaves Taketsumi to decide his fate and he was gonna kill him but sees the kid as his lil bro so just kicks him out the dimension. Meanwhile Itsurigi was fucking up shit some of the inn folks remember themselves due to the spiders holding their memories being destroyed
We learn that Saito is actually a wagie from a AU of our real world in the nation of Japan in a city called Togh Keyoh he was part of some paranormal monster annihilation organization
We learn that Anisage is actually a synthetic soul inhabiting a corpse meant to be the resurrection of the necromancers daughter
We learn that Itsurugi was bullied and experienced cruel racism from the humans in his world and he was originally suicidal too
We learn that Mizuchi is actually a water manipulating dragoness who acted like a slave to the humans in her world just handing them over water for free then some time later she snapped and flooded the entire planet and made the survivors worship her as a god she changed her name to Si Long when that happened