Idk if it’s similar since I have yet to read orv but mc is a con artist and the other guy is a returner. Its interesting and made me want to try orv soon so give it a go lol
https://www.mangago.zone/read-manga/regressor_instructional_manual/
please read orv it’s so peak. Though I would suggest you read the novel instead, it is so much better than its manhwa adaptation
SSS Class Suicide hunter
Death deleyed for a short time because of will
The world after the fall ( same author so you might like it)
Trash of the counts family
I promise you I have trieddd to read the manhwa multiple times but I CANNOOTTT get pass ch1 for some reason I like lose interest, but I will eventually. Also im kinda dyslexic so I sort of struggle to read novels but I might give it a go lol
Something similar to omniscient reader's viewpoint? I wanna binge read something long and good