Realm of Monsters - Chapter 559: The Ward & Shadow Part 2

(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.”

An F-Class Hunter.

And on top of that, a F-class older brother who can’t even begin to catch up to the heels of his amazing S-class little brother.

After living a life that fell to pieces and even destroying my little brother’s life,I got another chance by regressing 5 years back. I picked up the resolution:
This time, instead of making those mistakes, I will quietly live my life leisurely .

Is what I thought… but the S-Ranks are all kind of… weird and for some reason I can’t seem to be able to get away at all?

Qi Le – gender: male, sexual interest: women – suffered from congenital heart disease and died early. However, God played a small trick on him and placed his soul inside the body of a trashy shou.

Before rebirth, she was weak and it led to her losing 20 years of experiencing true love because of misunderstandings.

After rebirth, Su Nuo boldly declared her sovereignty: “Gu Chenglan is mine.”

Young Master Gu immediately raised his hand: “Yes yes, my wife is saying the truth.”

Young Master Gu swore an oath: I am a very principled man! Pampering my wife is my only principle. It’s that kind where there’s no bottom line.

Su Nuo’s famous remark: Unexpectedly, I’m suitable to be the richest man’s financial adviser and not only a good doctor. Even if you give me all you got, my family has me!

- Description from Novelupdates