Pokemon: Am I Gary?

[Special skill] [Xiao Mao] [No female lead] [Battle-focused] Xiao Mao accidentally obtained an ancient tactical visor System, and from then on, he had complete control over battle data. “Arcanine, Flare Blitz! Adjust the target twenty-three degrees to the left wing, and avoid the predicted trajectory of Ground-type moves.” Ash's Pikachu brought down Thunderbolt. The System displayed, “Type matchup correction rate: 98%.” Xiao Mao nudged his glasses. “Umbreon, Mirror Coat.” As Pikachu's electricity was returned twofold, Ash stood there stunned. “How is that even fair?!” Then he encountered Red, and the System went into a frenzy of error messages: “Warning! Battle logic cannot be analyzed! Cannot be analyzed!”