That Time My School Was Invaded by Dimensional Snakes and Now I'm Bound to a Multiverse Protector!

After surviving a horrifying attack on their school by giant dimensional snakes, Ren and a small group of classmates struggle to adjust to a world that has completely changed overnight. What first seemed like a deadly disaster slowly unravels into something far larger and stranger as hidden truths about the creatures begin to emerge. As mysterious new enemies appear and impossible cosmic forces collide with ordinary life, Ren becomes tied to a powerful and unpredictable protector who reveals that the school incident was only the beginning. The survivors soon learn that their actions during the attack may have triggered consequences far beyond Earth itself. The first 10 chapters follow Ren and his friends as they navigate trauma, paranoia, hidden dangers, and an escalating multiversal mystery where survival depends not only on strength, but on the choices they make along the way.