Inherited Ninjutsu? You Call This Wano Country's Little Trick

Su Yan traveled to the world of pirates and unfortunately died. Fortunately, a genre system was activated. As long as you inherit the school, you can gain lifespan. The greater the influence, the more lifespan you will gain. Whitebeard thinks he is noble, is this a little trick of Wano Country? Don't like it? Su Yan turned around and went to make a deal with Blackbeard. "Brother? I have a way to kill your father. Do you need it?" Breathwork? Ninjutsu? Qigong wave? Magic... Wait, wait, when it appeared in the pirate world, it was completely chaotic. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.