MTL - Shoujo Grand Summoning - ~ 1973 attack! Attack! Clipping! ...

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

God rewards hard work, and there must be rewards for paying.

And no matter how hard you work, you will gain 100%!

So, for things like cultivating immortals, don’t you just need to have hands?

- Description from novelbuddy

Lee Jung-ho the former minister of finance for South Korea, got assassinated and reincarnated into the duke family as a young child named kaidënHe felt the love and care he never felt in his past life, as all he want his just to live a normal average lifeBut things don't go as planned as he starts to draw attention to himself due to his mana type and his weak potentialBut with just a some basic science, one can change the world, at least that happen for kaidënJoin the journey of kaidën as is raise is fallen family to the top, through the fight of money, power and magic, plus the demon in him

A cultivation story about how a declining sect is restored by a narcissist, a troublemaker, a meanie, an idiot, and a wimpy kid.

- Description from Novelupdates