She had clearly heard their conversation and seen every look they exchanged, but... what did it all mean?
I don't understand!
"We have a long road ahead of us." Tetsu no Sosuke sighed as he walked back, telling Shinobu Kocho, "The higher-ups have sent you a helper."
"A helper?" Shinobu Kocho paused in surprise. "What kind of helper?"
"Someone to help formulate medicines." Tetsu no Sosuke smiled. "Of course, I need to explain this to you, the Serpent Pillar, and the Love Pillar beforehand. Otherwise, you might cut them down the moment they arrive."
"...Why would we..."
At that point, Shinobu Kocho's eyes went wide. "That... can't be, can it?"
"Yes. If you've figured it out, then you're right." Tetsu no Sosuke nodded. "The ones coming to help us aren't human."
That was what the letter Tetsu no Sosuke had read earlier was about.
Ubuyashiki Kagaya had found Tamayo, made contact with her, and reached an agreement of sorts.
The reply Tetsu no Sosuke had just read concerned precisely that matter.
On his second day here, Tetsu no Sosuke had realized that Shinobu Kocho's abilities alone would hardly be enough to make any fundamental changes to a demon's body.
She needed an expert's help in that area.
And how many people in this world understood demons better than Tamayo did?
She was therefore the obvious choice.
So he had written directly to Ubuyashiki Kagaya, hoping he could find Tamayo and reach an agreement with her to come here and help.
Tetsu no Sosuke did not think Tamayo had much reason to refuse.
After all, their goals aligned. As long as the Demon Slayer Corps did not show any intention of hunting Tamayo down and killing her, she had no reason to turn them down.
She knew there were things she