Ah, It’S Wonderful To Be Alive

Kurogane Rikuto, a high schooler branded a failure by his adoptive family, endured relentless bullying from classmates and indifference from his teachers. With no place to call home—not at school, not under his own roof—he reached his breaking point. “Life is worthless. Maybe I should just end it,” he muttered, stepping onto the school rooftop with death on his mind. But before he could leap, chaos erupted as monstrous creatures burst from students’ phones, turning the campus into a nightmare of blood and terror.

Goblins, orcs, slimes—creatures dismissed as weaklings in video games—now roamed freely, slaughtering defenseless humans. In a world without magic, skills, or leveling systems, people were powerless against even the lowest-tier monsters. By sheer luck, Rikuto survived—his phone, smashed by bullies earlier, spared him the initial onslaught. As he watched his tormentors and indifferent teachers meet gruesome fates, something inside him stirred: the will to live.

Just as survival instincts kicked in, a club-wielding goblin lunged at him from behind—
This marks the start of a desperate struggle for survival, thrust upon an ordinary boy in a world gone mad.