Also known as 르르르
In the midst of ordinary daily life, monstrous creatures suddenly appear—and around them, students begin transforming into monsters one by one. Normality is utterly destroyed; rescue seems impossible. The students, forced into survival, band together in their own ways to fight and endure.
30 Years Have Passed Since the Prologue 
A Corporate Underling Who Excels at Work 
A Dragonslayer’s Peerless Regression 
A Former S-rank Adventurer Who Was Betrayed By His Griends Because He Was Too Strong Wants to Live a Slow Life in The Countryside 
A Pig-Slaughtering Knife Cutting Through All Realms — Makes Sense, Right? 
A Rogue Guard in a Medieval Fantasy 
A Villain’s Will to Survive 
A Wimp’s Strategy Guide to Conquer the Tower 
A World Of Gold To You 
Absolute Regression 
Absolute Sword Sense 
Academic Supremacy Academia: The F‑Rank Supply Officer Reincarnates as the Legendary Greatest Mage