MTL - Immortal Becomes a Stay-at-home Dad After Return - ~ 513 Without him, I am in the heart of a sword

(Naruto + Single Heroine Tsunade + Romance + Action)A failed author transmigrates into the Naruto world, becoming the younger brother of Konoha’s White Fang, Sakumo Hatake, and the uncle of Kakashi. He gains a cheat ability—enhanced cellular activity.Coincidentally, just before the Second Shinobi War, he participates in a Jonin meeting where he supports Tsunade's proposal ahead of Dan Kato, marking his first encounter with her.From then on, he launches an intense pursuit, winning her heart during the war.Tsunade: “Kawakaze, why do I keep losing to you?”Kawakaze Hatake: “Because I’d like to live a few more years...”Kakashi: “My uncle is amazing, I’m his biggest fan!”Kawakaze Hatake: “Keep it low-key, keep it low-key.”

Liu Feng wanted to be a cultivator who defied the heavens, surpassed all limits, and had jade-skinned beauties clamoring around him. He wanted to fight anyone who got in his way, and shatter the arrogance of those young masters!Unfortunately for him, he died, and now I'm stuck here.Jade-like beauties? No thanks, I have an awesome magical energy to study.Young masters? Life and death battles? No, I would rather read some books on cultivation, and master some techniques that clearly don't obey the laws of physics.There is a junior who has trash talent but suddenly started advancing by leaps and bounds? And he seems to be favored by the heavens themselves? Yeah, that has nothing to do with me._____________________Release Schedule: Daily, unless something comes up.Tags and content warnings are mainly to give me creative freedom later on. This is my first novel ever, so go easy on me bruvs. Any feedback is more than welcome, of course.