Liu Feng smiled. Calling her sister was out of the question unless there was something in it for him. If Tsunade tempted him with Wood Style Ninjutsu, Liu Feng might actually toss aside his dignity and call her Sister Tsunade.
Even if Liu Feng obtained Wood Style Ninjutsu, he could not use it, but it would certainly be useful to him in the future.
Liu Feng would definitely exchange for Wood Style in the future, but exchanging for the Wood Style Kekkei Genkai would only come with a few relatively weak Wood Style Ninjutsu. Other Wood Style Ninjutsu would need to be exchanged separately or acquired through other means.
Tsunade was not angry. She explained why she had called him over: she wanted Liu Feng to help look after Nawaki, who was on the battlefield.
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Chapter 48
"I agree to your request to look after Nawaki, but I think it would be best if Nawaki returned to Konoha. Being on the battlefield right now is still too dangerous for him."
Liu Feng agreed to Tsunade's request. Even without her asking, he would have looked after Nawaki.
He did not have many friends, and Nawaki counted as one. Otherwise, Liu Feng would not have given him a Flying Thunder God Kunai.
"Thank you, Liu Feng."
She now knew Liu Feng's strength as well. He had hidden his abilities deeply—he had actually mastered the Flying Thunder God Technique and killed an Elite Jonin and two Jonin.
With Liu Feng looking after him, Nawaki would be safer as well.
"Tsunade, can I learn Medical Ninjutsu from you?"
"You want to learn Medical Ninjutsu?"
Tsunade looked at Liu Feng in surprise. In truth, very few people studied Medical Ninjutsu these days, and Konoha did not place much