The two deals were temporarily settled.
Uchiha Hikari thought for a moment. "Oh, right, Mr. Ubuyashiki. Besides the nine Hashira present today, I'd also like you to summon someone... Agatsuma Zenitsu's master, Kuwajima Jigorou."
He was the Demon Slayer Corps' former Rumble Hashira, and the only person of this generation proficient in all six forms of Thunder Breathing. To learn the complete Thunder Breathing, they had to call him in.
Since they were on the subject, Uchiha Hikari casually added:
"Kaigaku, Kuwajima Jigorou's other disciple, once lured demons into a temple when he was young, causing the deaths of several children and leading to Himejima Gyoumei under your command being mistaken for their murderer. If someone like that is allowed to remain in the Demon Slayer Corps, he'll become a menace sooner or later. I suggest you investigate him thoroughly."
"Kaigaku... You mean that black-haired boy?"
Ubuyashiki Kagaya looked surprised. "I'll send someone to investigate this matter as soon as possible. Regardless of the outcome, thank you for the warning."
Starting the next day.
Accompanied by the Master's wife, Ubuyashiki Amane, whose long hair was snow-white, Bulma toured the city. Then, using what little spare time she had left, she examined the ores and Nichirin Blade samples Ubuyashiki had sent over one after another, modifying the original Laser Sword.
Tanjiro and the other two went with Shinobu Kocho to the Butterfly Mansion, where they received special training from Kanao Tsuyuri and the others.
—And went on a few dates while they were at it. After all, Tanjiro and Inosuke would both find their future wives at the Butterfly Mansion.
Uchiha Hikari, meanwhile, began studying Breathing Techniques.
After informing Ubuyashiki Kagaya, Uchiha Hikari left her original body in her room and used the demons she had captured earlier to continuously