Miyanari is a straightlaced model student who one day suddenly started being able to see a red string connecting him to Hashiba, a delinquent in his class. "There's no way such a person would be my fated person...

When Yi-hwan woke up, the world had changed. Zombies craving the blood of the living, Humans running for their lives. But then... "Why aren't the zombies biting me?" Unbelievable strength, One eye turned red...