I Reincarnated as a Mob Classmate—Screw That! I’ll Become the Protagonist’s Rival and Destroy Every Death Flag!

You woke up inside the prestigeous halls of Magia-Stella Academy, not as the prophesied hero or the brilliant prodigy, but as background scenery. No ancestral crest, no divine gift, no narrative armor. You are one of the nameless back-row seats of Class C: the lowest ranking cla…