Kotori Hanzawa is a 2nd year Middle School student. She's the daughter of Kenji Hanzawa, and older sister of Chihiro. She makes her first appearance in chapter 14 of the manga.
Infection
A new infection has spread around the planet, that turns people into undead. The story begins a few minutes before the first recorded case, and shows the struggle of six young to survive this new world.
