The wife of Demon Slayer Corps Master Kagaya Ubuyashiki came from a family of shrine priests and could suppress the Lord Demon King's curse to a certain extent. The possibility that the imperial city possessed supernatural beings could not be ruled out.
"Starting today, select one thousand people every day from those 'comrades' in Asakusa District, Tokyo Prefecture, and modify them with the virus and demon blood. Muzan Kibutsuji, can you do it?"
"Gulp—"
Trash Muzan swallowed with difficulty. "Lord Demon King, one thousand people! Even if you squeezed me dry, I couldn't do it! My demon blood doesn't regenerate that quickly."
Meng Yi explained with a beaming smile, "Don't worry. I'll help you make up for the losses."
"As long as it doesn't kill you, squeeze you for all you're worth. I'm sure you'll soon adapt to your new life."
His wings flapped as Meng Yi landed on the ground and kindly patted Muzan Kibutsuji on the shoulder.
"Relax. I won't make you handle simple labor forever. I'm not some great evil overlord."
"Once the laboratory is finished, you won't have to be a tool demon squeezed for blood every day."
Apart from the large-scale transformation of the basic foundation, Infinity Castle, Meng Yi also made the "White Studies Device."
Meng Yi allocated a small portion of his computing power, preparing to give the feeble Upper Rank Demons a round of enhancements.
This wasn't an assembly line factory for large-scale modifications. Enhancing a few Upper Rank Demons by hand was enough. Why make things so complicated?
Meng Yi ordered the Upper Rank Demons to come to a spacious, empty, sealed room and lie down on separate nanocellular surgical beds.
Crimson lights shone down from the ceiling. One glance at the bizarre setting made it clear that this was