As a father, he had failed to keep a proper watch over his son and allowed him to get hurt. Now that the doctor had said it to his face, Hatake Sakumo had no way to refute it and could only smile awkwardly.
Yuu paid no mind to the strange atmosphere between them. He lifted Kakashi's hand and saw several scorched patterns, injuries caused by lightning striking his arm.
Green chakra flowed into Kakashi's hand. He felt a wave of warmth, then watched the blackened marks gradually fade until they became a faint reddish trace.
He had not used chakra to completely heal Kakashi. It was best for the wound to heal naturally; Yuu had only been worried that the lightning might have damaged his nerves, so he used chakra to repair them. The remaining muscle damage needed time and rest to recover. He could not help rubbing Kakashi's head as he said:
"He'll become a very fine ninja. He inherited Lord Hatake's talent, but remember not to push yourself so hard next time."
Uchiha Yuu gave off a soothing, spring-breeze-like feeling. Even Kakashi, who had just been lectured by Yuu, did not feel the slightest bit angry.
"A period of rest will be enough."
Just as Uchiha Yuu was preparing to leave, a figure suddenly stopped him. It was an ANBU ninja holding a scroll, who quietly reported the latest mission:
"Lord Hatake, Doctor Yuu, there is a mission that requires the two of you to handle it. This is the Hokage's order."
Both of them showed suspicion. Hatake Sakumo had only just completed an emergency mission and was still on leave. He had planned to spend some time with his son, but it seemed he would have to carry out another mission.
Uchiha Yuu, meanwhile, was surprised that