Only the princess slicing arc that I feel a bit unneeded and excessive. Otherwise, everything else will not break your rationality.
To capital city by 200ch -> School arc by 400ch -> Military & Major demon battle by 600ch -> Escape the country & inner core restore by 800ch -> Married by 1066ch -> To be continue
As our MC is quite strong and also a member of a top notch syndicate. Our MC also has some dark background story to tell, another sad memory to forget.