Several days passed.
Qingyu had been practicing Wind Release: Vacuum Wave.
Wind Release: Vacuum Wave was a wind release ninjutsu that expelled a razor-sharp breath from the mouth.
Unlike Wind Release: Vacuum Sphere, Vacuum Wave produced a blade of wind rather than a spherical air cannon.
It compressed wind release chakra to its limit before expelling it in a high-speed rotation, forming an extremely thin blade of air.
It could cut through both a target's flesh and the chakra protecting their body, like an invisible sickle-weasel blade.
In the backyard, Qingyu molded chakra and concentrated it in his throat.
Once he had gathered enough chakra, Qingyu opened his mouth and exhaled, shooting out a blade of wind.
Whoosh!
The wind blade sliced straight through the rock the instant it made contact.
The severed slab slowly slid down along the cut and crashed to the ground with a thunderous rumble.
"What a sharp chakra blade..."
Qingyu examined the rock's cut surface. That wind blade's cutting power had far exceeded his expectations.
[Darkness of the Shinobi] boosted wind release ninjutsu far more than Qingyu had anticipated.
"Brat, are you tearing the house apart first thing in the morning?"
Tsunade's voice came from behind him.
Qingyu turned around to see Tsunade leaning halfway out of a second-floor window.
She seemed to have just woken up. Her long golden hair had yet to be tied into twin ponytails, and the neckline of her white nightdress hung slightly open. Leaning out had exposed the delicate skin around her collarbones.
"Good morning, Tsunade."
"What's so good about it? I'd only slept a few hours before you woke me up."
Tsunade yawned and rubbed the corners of her eyes with the back of her hand.
Sure enough, she had failed to restrain herself and drunk quite a