Main World.
Konoha Year Twenty-Two, winter.
British Continent, New Capital.
Imperial Palace, Training Ground.
Winter sunlight filtered through thin clouds, casting faint patterns of light and shadow across the Training Ground's bluestone slabs. Kushina stood at the edge of the Training Ground, holding Jilan, her brow slightly furrowed. Toyotomi Yinglang stood in the center with his hands behind his back, his moon-white Kariginu fluttering gently in the breeze. Kaguya sat in a pavilion nearby, her silvery-white hair falling to her waist, the color of the sky reflected in her silvery-white eyes.
"How do you plan to make Jilan stronger?" There was a hint of puzzlement in Kushina's voice.
"Strengthening his body is meant to increase the 'quantity' of his chakra." Toyotomi Yinglang's voice was calm. "But the 'quality' of his chakra requires his own abilities."
Kushina's brow furrowed further. "What is quantity? What is quality?"
Toyotomi Yinglang walked over to her, crouched down, and picked up a small stone and a large stone.
"Think of chakra as water, and Jilan's body as a container." He placed the small stone in his left palm and the large stone in his right. "I have Jilan train his body to turn it from a 'small bowl' into a 'large vat' that can hold more chakra. That is a change in quantity."
Kushina nodded.
"Thinking of chakra as water, Jilan can control his chakra better and turn that water into ice." Toyotomi Yinglang set the two stones on the ground. "That lets the same amount of chakra take up less space, making it last longer and easier to use. That is a change in quality."
A glimmer flashed in Kushina's eyes. "Which is better, quality or quantity?"
"Higher quality allows smoother control." Toyotomi Yinglang stood up. "For example, when using the Color of Armament,