A young girl named Kang Mi-rae, was in highschool. Until she heard the lockdown bell, someone came into the school. She couldn't get to safety because all of the doors were locked. including the bathrooms, and the Janeters closet. So she walked around hoping to not get caught. But eventually she passed out, and woke up in, "another world"... With her friends and one strange person no one has seen before.
3 parts