The story follows a boy called Yeonjun and his group of friends, it takes place in a apocalyptic world in the year 2050. Yeonjun was the only member of his family that was alive and saved after the war, he grow up in an orphanage that trained him how to fight and look after himself, he met a lot of friends along the way through the orphanage and servivers. Yeonjun one day was sent on a mission with those friends to go and recuce more survivors that had been seen, but there was