My Ultimate OP System Review: A Reincarnation Fantasy With Mythic Summons, Drago

One-line positioning:
A power-fantasy isekai that mixes reincarnation, mythic system upgrades, dragons, and a morally conflicted hero with a much bigger world than its flashy title first suggests.

Who this book is for:
This book is for readers who enjoy overpowered-system fantasy, reincarnation setups, summon-based combat, broad class-based worldbuilding, and stories that balance action with some romance and harem flavor.

Who this book is not for:
This book may not work for readers who dislike OP protagonists, game-like perk systems, slow-burn world expansion, or tags such as R-18 and harem. Public reader feedback also suggests that some people may notice occasional grammar issues.

3 reasons to recommend it:

• The hook is strong and easy to sell: a defense lawyer dies after defending a guilty senator, then reincarnates into another world with epic and mythic-grade gifts, including infinite mana and a mythic summoning system. That setup gives the story both instant power-fantasy appeal and a built-in redemption angle.
• Readers seem to like that the world is bigger than a standard summon novel. One detailed review highlights the variety of classes, the gradual worldbuilding, and the fact that the story does not rely too heavily on info-dumps, which helps the setting feel larger and more deliberate.
• The main character appears powerful without becoming unreadably broken. Multiple reviews praise the MC for being smart, for having to figure things out instead of being constantly spoon-fed by the system, and for existing in a cast where side characters also have distinct personalities.
  

1 reason to hesitate:
If you want ultra-polished prose and very fast progression, this may not be the perfect fit yet, because public reviews mention some grammar or sentence-level roughness and a pace that can feel slower than expected.

Editor’s comment:
My Ultimate OP System feels like the kind of web novel that wins readers over not just with scale, but with execution. The premise is very commercial—reincarnation, OP perks, infinite mana, mythic summoning—but the early reader response suggests the real strength is that it tries to give the power fantasy some structure, personality, and world depth. If you like long-form fantasy web fiction where the hero is strong, the setting keeps opening up, and the system is part of the fun rather than the entire story, this is an easy recommendation.