Valkyrie's Shadow - Chapter 10Birthright: Act 4,

Boxing is power!Making a fist means holding power!A powerful punch is power!Nott Rod, who traveled through the Great Pirate Era, deeply agrees with this.Facing the endless monsters on this sea, only his fists can bring him a sense of security.Fortunately, he has two golden fingers after traveling through time:1. [Knights do not die with bare hands]2. [What doesn’t kill me will make me stronger]With two golden fingers in hand, he decided to achieve the greatest power with the biggest fist!Fists rule the world!Power rules the world!

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

A world where awakened individuals with special powers emerge due to a system. At the New Spring Kindergarten infant class, Gru awakens as an S-rank Hunter at the age of 4. Along with this, there is a quest assigned to her… [Quest: A child needs a strong guardian!] Why is a guardian needed? That is because Gru has no mother or father. Gru, who had no family, is adopted by the greatest Hunter in South Korea after many twists and turns, and along with that, new skills are developed… [Let’s try registering a new guardian in the slot!] [Children can earn ‘filial piety points’ through various activities, which can be used in different areas.] Gathering guardians enables faster growth? ‘That’s amazing!’ Alright, I’ll gather all the S-rank guardians!

Calamity descends upon a a tranquil world in the black of night, transforming it into a death game! This a a true apocalypse, but this is not the end of humanity!

- Description from Novelupdates