My youth story, a crossover anime, turns out, is FGO!

Having transmigrated into a world that blends slice-of-life anime and Detective Conan, Aoki Makoto, unaware of the plot, assumed his life would revolve around his cell phone from his previous life. He envisioned himself as a plagiarist of mystery novels, far removed from the story, focused solely on making money, living a wealthy yet boring life. Little did he know that his true cheat code wouldn't arrive for sixteen years! System: "Become the master who saves the world!" Aoki Makoto shakes his hand: "Get a girlfriend?" System: "Huh?" Aoki Makoto: "Why am I not interested in those anime heroines? Because my ideal type is Gudako!" System: "...Okay, if you succeed, I can introduce you to someone, but..."