Xingzhuo pushed his friend's arm away without a second thought.
"Are you kidding? I'm not going to bite you."
Yuto thought Xingzhuo didn't believe him, and grew a little anxious.
"Really, I'm not lying. Try biting my arm. You really can restore your chakra."
Xingzhuo sighed, grabbed Yuto by the shoulders, and looked him in the eye. He spoke with utmost seriousness:
"Listen to me, you brat. Of course I believe you, but healing other people's injuries and replenishing their chakra this way must use up your own lifespan. Don't tell anyone about this in the future, understand?"
Seeing the concern in Xingzhuo's eyes warmed Yuto's heart and made him even more resolute. He pressed on:
"If you believe me, then why won't you give it a try?"
Xingzhuo silently gave him a knock on the head and shouted, "Listen to what I'm saying, you idiot!"
Yuto rubbed his forehead, aggrieved, muttering words like "ungrateful"—vocabulary he'd only learned over the past two years.
Only then did things quiet down.
A moment later, Xingzhuo glanced at Uchiha Rinne as if by chance. But his movements were so obvious that she couldn't help laughing.
"Haha, don't worry. I'm good at keeping secrets. I won't tell anyone about Yuto's secret."
Xingzhuo rubbed the back of his head, a little embarrassed, but after she gave him her word, he felt inexplicably relieved.
There had been people with Yuto's kind of constitution in the original story.
Karin Uzumaki and her mother had both been like that, but unfortunately, neither of them had a good fate.
One was bitten to death in Kusagakure, while the other was bitten from childhood into adulthood. Just when Orochimaru finally rescued her, she fell into Uchiha Sasuke's trap. He kept biting her for years, then broke her heart, and she