How to Survive as a Nobody From the Start

What! A nobody office drone like me, an utterly insignificant nobody, has transmigrated into a book! What! The heroine here transmigrates and gets shot, the villainess is reborn and gets beaten to a pulp, and the quick-transmigration big shot gives a disdainful laugh: “Pardon my bluntness, but you’re all ants!” And yet I’m still just an obscure passerby, quietly picking up experience points dropped by the big shots while they fight, all while serving as background scenery. But I got a little too good at scavenging, and now a whole bunch of people have their eyes on me.