The Japanese people Aqua had reincarnated before Kazuma had almost all received either a divine artifact or an absurdly powerful cheat, throwing the entire world into chaos because Aqua had handed out artifacts and cheats like candy. The world being what it was today was entirely thanks to Aqua!
"And that scientist's ability was to create things from his imagination. As long as he had enough imagination, he could create anything. Using that power, he joined the strongest nation of the time. The nation's nobles wanted weapons that could fight the Demon King, so he recruited a group of people willing to become test subjects. Every one of those recruits was a chuuni obsessed with fantasies of power. After the modifications were complete, they became a group of incredibly powerful mages with chuuni syndrome."
Moreover, that chuuni syndrome had continued alongside the Crimson Demon Tribe to this day. At present, there was only one normal person in the entire tribe: Yuyuko, the current village chief's daughter.
"Then, Li Yue-kun, are we going to enter their village and recruit everyone there?"
With a whole village's worth of combat power like that, Aizen was more than willing to take them all in. This was a force even stronger than the Kido Corps of the entire Gotei 13. He certainly would not refuse to use them in battle.
"No. Modifying four of them is enough for now."
Li Yue looked at the Crimson Demon Tribe members showing off their spiritual power to one another and shook his head slightly.
"Modifying them has already taken quite some time. If we modify every Crimson Demon today, it will take far too long."
"Oh? Then what are you thinking, Li Yue-kun?"
"The Crimson Demon Tribe loves chuuni bragging contests. They even hold competitions in the village