Naruto: Otsutsuki Genetic Evolution Starting with the Shikotsumyaku

High school student Lu Jun dies after his leukemia worsens, then inexplicably transmigrates into the world of Hokage and takes over Kimimaro's body. With his blood disease flaring up and his body at its limit, how can he survive? “What gives? I already died once. Now that I've transmigrated, do I have to die all over again?”