Fairy Tail: I Can Analyze Everything

Ron transmigrates into the world of Fairy Tail, his eyes undergoing a mysterious transformation. His left eye discerns the fundamental principles of all things, while his right eye creates infinite possibilities. Dragon Slayer Secret Arts? He masters them with a single glance! Forbidden Magic? He rewrites it on a whim! Jose: "I am one of the Ten Wizard Saints!" Ron: "Oh? The Ten Wizard Saints? Just a unit of measurement, really." Jellal: "The R-System is nearing completion; Zeref shall be resurrected!" Ron: "The R-System? I'll be taking that, thank you very much!" Laxus: "I'm staging a coup! I'm going to be the Guild Master! I am the strongest..." Ron: "Put on a bunny-girl outfit and go dance the Bunny Hop—right now!!!" — Description from novelcodex.org