Moto Sekai Ichi'i no Sub-chara Ikusei Nikki - Chapter 87: Damage, Salt and Pepper.

The constant mission is getting redemption.

Shuttle though various worlds to become a variety of scum men, do a little whitewashing and become a good man in the eyes of everyone.

Redeem those who are miserable, and let them live a happy life.

- Description from Novelupdates

We do not belong to the light nor do we belong to the darkness, we walk the line in between.

There will be no people singing our praises or bards retelling our heroism but we will have pride in our work.

– Law of the Demon Hunter, Prologue

- Description from Novelupdates

MC: Whoa there, hang on a sec! Don't say anything yet, let me first trick this stupid goddess into giving me more abilities!Some time later (and some psychological abuse)…Aqua: Okay, you win! Pick your skills! And fast!MC: Alright, check this out! I'm snagging〚World Traveling〛and〚Analyze and Copy〛! Sweet deal, right? Hahaha, I'm gonna be unstoppable!

I will go forward step by step, until one day I surpass you, Dad! !!

Zhao Gang, who has graduated from the World Hunter School, returns to the city. He inspires his own country and surpasses his father who is already at the top of the world.

- Description from Uukanshu