searching for a manga

[xeno77]

ok so it was called something with dungeon/monsters (idk anymore but for some reason everyone expected those so i guessed it was the name)
but for a really long (more then 40 chaps or something) time u dont see any the only thing u see is him making lots of money cause he went back in time
with that money he starts preparing himself for the dungeons/mosters that are going to come at some point

 

[Yatsuki]

@xeno77
Is it this one?
https://mangadex.org/manga/44087/past-life-regressor

 

[xeno77]

@Yatsuki probably
now i know y i couldn't find it it doesn't look like what it is about at all
thx
edit: i started rereading and u really dont expect him to only get money in 29 chaps but i dont mind that stuff i guess