"..."
Sensing the change in his chakra reserves, Uchiha Yan struggled to keep his composure:
"You freak! Who taught you a ninjutsu like this? How are Jinchūriki supposed to live with this?"
Beside him, Kakashi was all smiles. "Well, well, my chakra increased too. This really is a wonderful ninjutsu, Lord Hokage."
"Wonderful, my ass. That's my chakra inside you right now."
Uchiha Yan felt a headache coming on. "Does this thing not distinguish between friend and foe?"
"That's right! As long as everyone is inside this domain, they all have the same amount of chakra. It's very fair."
"Sure, very fair for you. I..."
As though something had occurred to him, Uchiha Yan's eyes lit up. "Can this chakra be sealed away?"
"It can, but who would make so many Ninjutsu Scrolls for no reason? They're not even that useful!"
Uchiha Yan picked up his pen and paper, quickly wrote a letter, and handed it to Kakashi:
"Take Sakura to see Lady Tsunade. The Yin Seal is a perfect fit for Sakura. She might even have a chance to summon Katsuyu's true body into the Shinobi World.
"Sakura, study hard under Lady Tsunade. Once you learn the Yin Seal, I'll let you study genjutsu under Shisui."
"Yes!"
Sakura nodded solemnly. "Teacher Yan, don't worry. I'll study hard and try to learn the Yin Seal as soon as possible."
"Lady Tsunade won't necessarily teach you. Show her your talent when you get there. Don't keep hiding it like Hinata."
"Yes!"
"Go get some rest. I'll have Kakashi come find you later."
Just then, Yamanaka Fū and Genma came in as well. After sending Sakura away, Uchiha Yan slowly spoke:
"Can we use the spies Root planted in the Four Great Ninja Villages?"
"Yes!"
Uchiha Yan nodded slightly. "Activate the spies