I'm looking for something like Overlord or black Titan from RRL, with an OP AF MC transported as his game character, either in NU or RRL as long as the MC Is OP from the start and not a spineless beta or a goody two shoes, even if it's a slice of life, help?
Dumb question but have you tried Overlord, or Skeleton Knight in Another World? Seems like a recommend those a lot, which is weird because I don't even read them.
My Death Flags Show No Sign of Ending is one of my top JP novels with good romance and likable MC (our cool male tsundere).
Please make your reading list public. The Strategy to Become Good at Magic - MC turns into their game character though 4 years old. They are pretty OP. Kuma Kuma Kuma Bear - OP AF She Professed Herself The Pupil Of The Wiseman - OP Lesser extent but really good: The Amber Sword - The MC is not OP overall but OP for their level and has access to their gaming system while others do not. Not to mention they know others combat abilities and can counter almost anything unless its way above their level and even then sometimes they can.
Kono Sekai ga Game da to, Ore dake ga Shitte Iru is also a good comedy about a guy that got stuck in one of the world of the worst crap VR games made. It's like Overlord or The New Gate where it's not trapped in a game, but the game world becoming a reality. Great comedy and great world building on the game. It's a crappy VR that our MC is a veteran of. The VR has glitches, wierd bugs, strange machanics, and our MC uses these bugs, glitches, and game knowlegde to survive. It's like the crap game become real life so good luck not dying from a bug MC. It's very underrated so give it a try. It's very relatable to gamers.
OP, make your reading list public. That way we won't have to guess which novels you have read already. As for recommendations, I'd say Akuyaku Reijo Ni Koi Wo Shite is close to what you want. (quite a ride, this one) If you're fine with non-human protagonists, try out Grimoire x Reverse, too, though this one gets a bit confusing sometimes. Sword of the Philosopher is also quite like My Death Flags when it comes to setting, as in, the protagonists finds themself in the world of a game they played, though in different roles. The protagonist's personality is pretty different from Harold's, though.
I'm sorry but My reading list is quite empty as i wasn't updating anything in here for a while though for non-human protagonist i'm actually a huge fan
Hmmm from what I can think of, most of novels with people who transfer with their game character are either goody two shoes or beta pansies or weak. The only story I can think of with a MC not spineless or beta is The Amber Sword. The MC gets transferred into the game where although isn't broken OP, he hasn't lost a fight to anyone really. If his strength is insufficient, he outsmarts with his game knowledge. However, he isn't in his game character but an NPC that was supposed to die, but he takes over his body. But the story is still good regardless and he will probably(definitely) get stronger than any game character could ever get(dont wanna spoil it xD). Also, he has a good sense of character, but isn't a boy scout or a wimp. But like I said, this is the closest I could get to your request. Because me personally, I hate beta and/or spineless or stupid MC's which I always tend to find when I read OP MC novels.
Death March The New Gate Pupil of the Wiseman Skeleton Knight Magic Bullet in Magic Land Manuke FPS Kuma Bear Bakarina (OK, MC's not OP, but none the less it's fun to read)