Okay so the king is culling the noble families and for some reason no one has rebelled. I guarantee within one generation of every family losing their first heir the king would have his head on a pike as an abject lesson to the next guy.
The MC can solve all of his problems with 0 effort despite being in "hell" mode which is actually super easy baby mode.
His stats are higher than any martial class despite being a full caster.
This "game" is unbalanced trash.
Translation aside this is very poorly written.