
I don't like it, but I don't hate it, for me it's so so. But what Curly says it's right (I would add that MC does SPOILER get marry to an NPC and has sex with her) but for the most part is about the game. I haven't read Omniscient Reader's Viewpoint, so I don't know if it is similar. What I read after Solo Leveling in a similar style (and I like them):
Kill the hero. (If you get anxious the novel it's finish and completly translated). The art is good and the story is sometimes fast on the battles but good plot (zero romance) http://www.mangago.zone/read-manga/kill_the_hero/
Limit Breaker. This one only has 13 episodes, so I don't know about romance, but for now it's interesting, liking the plot so far
http://www.mangago.zone/read-manga/limit_breaker/
SSS Class suicide hunter. The art is good, the story sometimes heavy, I read some of the novel, no romance (that I saw, maybe leter), good premise
http://www.mangago.zone/read-manga/sss_class_suicide_hunter/
The great mage returns after 4000 years. Not really the same style of plot, but also good, and good art. At the beginning the girl that is with the MC is a little annoying, but it grows on you, and the MC is cool
http://www.mangago.zone/read-manga/the_great_mage_returns_after_4000_years/?lBnQ
Dungeon reset. Similar style but not reeeally, I feel it's more light, I mean, people DO die (like alot) but it feels funny somehow, on the comedy side. No romance.
http://www.mangago.zone/read-manga/dungeon_reset/?U1bJ
Taming Master. It's a VR game, funny, no drama. I just love this one. I even read the 1030 chapters of the novel (twice). There is romance (not now on the manhwa) but the romance is kept to a minimum, we don't see the girl often (almost never), the MC is just playing and playing and being awesom xD
http://www.mangago.zone/read-manga/taming_master/
So, if your looking for someting to read, this would be my recommendations. Sorry if my english wasn't good, it's not my first lenguage

You should read ORV, it has zero romance and the MC is really smart but kinda psychopathic. Will read Limit Breaker, Taming Master and SSS when it's on Chap 30 but I hear gpod things about it. Doungeon Reset is good. I kinda hold off reading The Great Mage because it have an annoying red haired girl as per comments.
Does this have any romance? Looking for something after Solo Leveling