The End Has Come

Story

Minjun wished for the world to end-- until it did. When a zombie appears at his door, the bullied teen chooses to fight for survival. Teaming up with Yena, his sassy yet charming classmate, he flees the collapsing city. Hunted by the infected and haunted by enemies old and new, they discover that in a world without rules, trust may be their only chance at survival.

Synopsis via AniList (English).