Reborn As An Extra : I'm gonna mess up everything

Beep!… Beep!… Beep!…

Loud sirens suddenly echoed across the entire academy. The sharp, shrill sound pierced the air, making everyone's hearts pound with unease. It wasn't just the academy—this alarm rang across the vast city, warning everyone of an incoming catastrophe. 

Students who had been resting in their dorm rooms rushed out in panic. Some looked confused, others were already gripping their weapons, their instincts screaming that something was terribly wrong. 

Then, a powerful voice boomed across the academy through the magical announcement system. 

"All students, listen carefully! 

This is Vice Principal Lilith Maranthia. A massive tide of monsters is heading this way. An S rank Level Formation has appeared, Covering a large portion of land, We can't ran away, Our communication systems are down, which means there is definitely a traitor among us.

Right now, we have no choice but to fight until we can restore communication and call for reinforcements!"

The message ended, leaving an eerie silence for just a moment—before chaos erupted. 

Many students gasped in shock. Others clenched their fists, adrenaline surging through their veins. 

"Hahaha! This is my chance!" one boy shouted excitedly, his eyes burning with ambition. "I'll kill these puny monsters and become a hero!" 

Meanwhile, some students rushed to the rooftop, eager to see what they were up against. 

The moment they saw it, their bodies froze. 

A massive, endless wave of monsters stretched across the horizon. The ground trembled beneath their feet as thousands of creatures moved forward like an unstoppable tsunami. Goblins, orcs, skeletons, humanoid beasts—creatures from nightmares, all surging toward the academy. 

Some students gasped in horror. 

"I… I won't survive this…" one student muttered, his legs trembling. 

His breathing grew rapid, panic creeping into his voice. "I need to run! If I stay here, I'll die!" 

He wasn't alone. Many students shared the same thought. Their survival instincts screamed at them to flee. 

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Ethan Rothslayer stood among the students, his expression dark and serious. 

He clenched his fists. "I had a feeling something was off yesterday. It was too quiet. But something this big… it was bound to happen sooner or later." 

His gaze turned sharp. He knew what he had to do. 

Reaching to his side, he grabbed his sword and tightened his grip around the hilt. 

"Last time, I ran away… and people died,Who could be saved!",

He exhaled, steadying himself. 

"But this time… I won't run. I'll fight. I'll save even more people",

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Meanwhile, inside a quiet dorm room, Esdeath Crimson stood before her daughter,Selene.

Her deep red eyes were calm, yet serious. 

"Stay in the room," Esdeath ordered, her voice steady. "Don't leave until I come back. Okay?"