I do not plan to offend or insult anyone, this is just my opinion.
This... honestly seems to be written by a child.
The mc is totally stupid, nonsensical arrogant and a daddy's boy.
He literally finds out that his parents sold him, he goes on fgo missions, and when he comes back he realizes that his parents are totally wasting his money and he still "adapts"...
The mc is also totally childish, supposedly he has a "harem of beauties" which he totally ignores and treats like trash, literally... and he keeps looking for more girls...
Oh and not to mention the sudden "little sister" he gets and accepts her just because she's pretty.