Tomodachi no Imouto ga Ore ni Dake Uzai - Volume 4, Chapter 3: Only towards the little sister, memories of the friend are a topic

I returned to Earth as the invincible Knight King. But the Gods came with me.

Han Ze’s biggest wish in his life is to have a child. However, in the interstellar era with low fertility value, this wish is very slim, and his life has not been realized at the end of his life.
After his death, due to his obsession, he was bound by the almighty dad system, traveling through different planes to be a father to those children who were in urgent need of help.

Patriarchal Dad (Completed)
Upstart Cheating Dad (Completed)
Abuse Dad (Completed)
Playful Daddy (Completed)
The Last God the Father (Completed)
Father and Father (Completed)
Sick Daddy (Completed)
The troubles of Lord Han (Completed)
……

Content Labels: Ability System Fast Passing Through Books
Search keywords: protagonist: Han Ze ┃ supporting role: many ┃ others:

- Description from novelbuddy

The strong are always lonely, only by defeating loneliness can one become invincible in the world!Huang Xiaolong, a Direct Disciple of the Shaolin family on Earth, inexplicably crossed over to the Martial Soul World carrying the supreme Martial Arts secret text, “Yijinjing”.In the Martial Soul World, one can only cultivate Fighting Energy and become a warrior if they possess a Martial Soul. However, Huang Xiaolong, who originally had a super heaven-defying Mutant Martial Soul, was mistaken by his family for an ordinary Mutant Martial Soul during the awakening of his Martial Soul.But Huang Xiaolong, who possessed an “ordinary” Mutant Martial Soul, time and again revealed his astonishing talent, time and again defeated so-called supreme geniuses, and time and again shocked his family and the entire Martial Soul World!

Ding![The Host has died!]A system message popped up in front of Nell's body after his last dying breath.Ding![Dark Evolution has been activated to absorb the death essence of the host.]And then he opened his eyes to find himself in the past right before the battle started.'Ah! Am I back to the past?'Ding![Please choose a partner to start the Dark Evolution process.][Partner Condition: Must be a living creature from the Monster category, not the Human category][Partner Gender has to be Female.]'Partner? A monster?'Nell's heart pounded in his chest, and he felt a cold sweat coming on.'A female monster?'