I'm the Strongest in This Zombie World, But I Can't Beat This Girl!

In a Japan that's on the verge of ruin, he's surviving alongside a cute underclassman! A sudden zombie outbreak ravages the country. Amid the fleeing crowds, high school student Yuuma Kousaka ended up being bitten. Afraid of dying, he reunited with his friend's sister Haruka Hinata for the first tim