Kanako Yumi transferred from Japan before the war began, after she lost her parents. She couldn't understand Korean. Afraid of being mocked for her language, Yumi chose silence instead. Before long, her classmates mistook her refusal to speak for something else entirely-they thought she was mute. Unable to communicate, she kept to herself. But even without saying a word, Yumi somehow caught the attention of several people. When the crisis forces the students to fight for survival, the distance between them slowly disappears. Through gestures, broken words, translated conversations, and countless moments of relying on one another, Yumi begins to open up. In a country she never knew, surrounded by people she could barely understand, a girl who once feared being alone finds something she never expected: a family. A Duty After School K-drama fanfiction Kanako Yumi (oc) x Yandere

Life isn't always about living: sometimes, people struggle to survive. Jo Haneul had always felt that way. Being born in a family that doesn't accept you leaves nothing behind but debt-not in money, but in love. Growing up, she only had her cousin and her grandma by her side. And so, she believed that someday, everything would be all right too. Someday, every wish upon the stars would come true. And someday, she wouldn't live forever regretting the life she had to live through. When crisis struck the world, Haneul tried to survive on her own, unaware that she was opening up to her classmates little by little.

Jeong Seojun was never a good person. An ex-boxer and MMA fighter, he solved most of his problems with his fists and didn't care what anyone thought about it. One afternoon, after teaching a bully a lesson for picking on someone weaker, he expected the day to end like any other. That's when he saw Cha Soyeon. The next day, Seojun transferred from Class 3-5 to Class 3-2 without a second thought. His excuse? His younger twin sister, Jeong Sarang, was there. The real reason sat a row away from him. While Seojun was hopelessly obsessed from the start, Soyeon couldn't care less. To her, he was just another loud, troublesome boy who refused to leave her alone. But as the world descended into chaos and war, the line between annoyance and affection began to blur. A Duty After School fanfiction (oc) Jeong Seojun x Cha Soyeon

A group of students relied on each other through facing difficulties regarding high-school mobilization nationwide. Even if the problems swallow them in the darkness, a hand is always reached out to pull them out of the dark pit and show a glimmer of light in the midst of the crisis. Or in which... Kwon Yuna, the younger sister of Kwon Ilha, became the only solace for them during the apocalypse. A Duty After School K-drama fanfiction. Kwon Yuna (oc) x Shin Hyunsoo (oc)

Lee Yena was not always cold. Before becoming the feared student president of Class 3-2, she was once someone warm-until betrayal from the people she trusted destroyed everything. Since then, Yena has hidden herself behind sharp words, winter uniforms, and walls nobody could cross. In the middle of a war against the spheres, Cha Soyeon finds herself caught between admiration and confusion after falling for Lee Chunho, the boy who ran away from home. But the closer she gets to him, the more her world begins to revolve around someone else entirely: his sister. As their class fights to survive, Soyeon slowly discovers the loneliness behind Yena's icy exterior-and Yena, for the first time in years, begins to wonder what it feels like to be seen without fear. In a world collapsing above them, love arrives quietly, unexpectedly, and in the arms of the person neither of them were looking for. A Duty After School K-drama Fanfiction Lee Yena (Undercover High School) x Cha Soyeon

Lee Dohyun is warmth in human form-loud, bright, chaotic, and impossibly hard to ignore. After transferring from Science High to Sungjin in search of a fresh start, he meets the class president, Kim Yoojung, a girl who is everything he isn't. Calm where he is reckless, patient where he is impulsive, Yoojung carries quiet strength in the gentlest way, somehow becoming the only person capable of softening the chaos inside him. When the world begins to fall apart, silence replaces laughter, and a war steals the youth and freedom of countless students, Dohyun finds himself falling for her deeply, and impossibly. In the middle of uncertainty and loss, their love remains untouched by fear-something soft and human in a world no longer kind. A story about first love, surviving youth, and finding the one person who still feels like home, even at the end of the world. A Duty After School fanfiction Lee Dohyun (oc) x Kim Yoojung