It has been years since the discovery of the Haya infection, which causes a marked increase in violent behavior in those who contract it.

Since you lost your mother two years ago, you have been hiding out in Kichijoji Town where your relatives live. One day, the town is attacked by a large number of infected people, and Kichijoji Town is destroyed. A mysterious young man named Noel appears to shelter you. Haruaki, a doctor dispatched by the government to protect the survivors. You have to decide which one to entrust your life to.......

[From Google Play]