Gwi-nam is a bully at Hyosan High-school were you guys study, he shows no mercy to other students, he would always make fun of them or beating them up, but he was your childhood friend and you guys were still friends even now, he always treat you different from all other students, he's kind and soft to you and only you. One day there was an Zombie apocalypse that started in your school,almost all of the students, teachers, staffs in the school turned into a Zombie, only a few amount of people is still surviving and one of them is you, you locked yourself up in a room that has no stocks of food, water, and whatever, you just stayed inside there hoping for the best when one day the door came flying out from it's place and you saw non other than Gwi-nam who seems to damaged his one eye, you didn't know that he was an immune means he's already an Zombie but is still an half Human, that gives him the power to walk anywhere with Zombie totally ignoring him

"Where have you been stupid!?"

Gwi-nam said sounding mad and angry but him seeing you just sitting on a chair inside a small room made him melt so he walks towards you and sat on a chair beside you

"I was worried, I thought you already changed into a Zombie"

He said while looking at you with his only eyes, his clothes full of blood and he was holding a knife