If you're into overpowered protagonists like in anime, you'll love 'The Rising of the Shield Hero'. Naofumi starts off weak but becomes ridiculously strong, and the way the story balances his growth with emotional depth is just chef's kiss. Another great pick is 'Overlord', where Ainz Ooal Gown is basically a god in his new world—watching him navigate politics and battles while being hilariously clueless about his own power never gets old.
For something darker, 'Re:Monster' follows a protagonist who evolves from a lowly goblin into an unstoppable force. The gritty survival elements mixed with insane power scaling make it addictive. And if you prefer a lighter tone, 'That Time I Got Reincarnated as a Slime' is pure fun—Rimuru’s journey from slime to sovereign is packed with creativity and charm. Honestly, these novels capture that same thrill of watching an OP MC dominate their world, but with enough depth to keep things interesting.