13 parts Ongoing The story takes place in a world where, suddenly, portals from other realms open, bringing monstrous threats that range from Rank F to Rank S. These portals spawn terrifying creatures and wreak havoc on cities and nations. The human race, caught off guard, struggles to defend itself, and only a select few-awakened individuals-gain magical powers and abilities to combat the monsters.The protagonist, *Kai Jin*, is a cold, intelligent, and brave high school student from Korea. With no family-his parents died when he was a child-he lives in a modest apartment and spends most of his time quietly. His personality is shaped by the trauma of his past, leaving him emotionally reserved, but determined not to be weak or helpless again. As the story progresses, he grows emotionally and psychologically, learning what it truly means to fight for survival and face overwhelming odds.The plot begins when portals open around the world, connecting Earth to other dimensions, releasing monsters that threaten to destroy humanity. The awakened, those who gain magical powers from the portals, emerge-each person's strength is rated from Rank F to Rank S based on their magic and combat skills.Kai, in his lonely apartment, is the first to encounter the invasion. One night, a goblin, Rank F, suddenly breaks into his home. With no special abilities, Kai uses his wit and intelligence to survive, improvising with the surroundings to fight back. When the goblin gets too close, he throws a chair and, using its shattered pieces, stabs it in the head. A system window then appears before him, marking the start of his awakening.
