Eoneunal Gapjagi Seoul-eun
어느날 갑자기 서울은
A virus spreads through Seoul via multiplying mutant cells, transforming those exposed into grotesque, infectious creatures. Yeon-U, visiting the city on a school trip, hopes to spend time with a classmate he likes, but the excursion quickly becomes dangerous. He and his classmates must find a way to escape as the virus threatens to consume the city.
