If not for that familiar presence, she would have thought the person before her was not the Yui she knew.
"Oh, right... Yui, there's something I came to tell you."
Tsunade sighed before saying, "Thank you and Katsuyu for looking after me this past year and letting me practice my ninjutsu in peace in Shikkotsu Forest."
"And thanks to your advice, I finally managed to develop this jutsu."
Tsunade's lips curved into a faint smile. She formed hand seals, and black cursed seals slowly emerged from her forehead, spreading across her body and limbs.
"Ninja Art: Strength of a Hundred Technique."
Yui stared blankly as Tsunade performed the jutsu, unable to recover for a long moment. "This...?"
"I never thought she'd actually develop it," she murmured.
Tsunade flexed her hands, testing her strength.
"This is a medical ninjutsu I invented by combining Grandpa's sage body with sealing jutsu."
"Although it doesn't come anywhere close to what Grandpa could do... I'm still very happy I managed to invent a jutsu like this."
"It activates the cells in my body to enhance their healing ability. That way, I won't have to fear getting hurt even in battle."
As she explained, Tsunade kept swinging her powerful fists, sending sharp cracks through the air.
"And most importantly, this jutsu can keep me looking young forever..."
"Oh?" Yui nodded slightly. Although the Strength of a Hundred Technique interested her, her gaze still darted anxiously toward the cave behind her.
Five minutes had already passed. Her Sage Mode probably would not last much longer.
"Whew..."
Tsunade stopped throwing punches. She had noticed the other woman's anxiety too; Yui probably had something else to do.
With that in mind, she decided not to waste any more time.
"Yui, you probably have something to do right now, don't