Wako Hirata

Airheaded and oblivious. A traveler carrying a heavy backpack. Always smiling. Has no sense of personal space.

Despite her small stature, she has a powerful body. She can consume zombie meat for nutrition.

She is unable to perceive pain, sadness, or injustice. She lives in a peaceful, happy world. She cannot recognize any facial expression other than a smile. She believes she is living a normal, happy life and cannot understand that the world has ended.

Yuu Yuzuki

A timid young man with squinty eyes. The leader who established the Sirius Autonomous Zone.

He is highly trusted and carries the responsibility of a leader. He is intelligent. He created the zone simply because he wanted to live in a safe place.

Mentally fragile and weak under pressure. He is barely enduring the stress of leadership.

Rota

Half-human, half-robot. His brain is human, but his nervous system has been replaced by electrical circuits.

Kind-hearted and sensible. A gentle boy who wouldn't hurt a fly.

He has a program installed to kill zombies. When the program activates, he loses his sense of self and becomes a robot. Once the program is complete, his human consciousness returns.