Is This A Zombie?

She was in the middle of fighting a bear. Source: Episode 1

A strange man in a coat approaches Ayumu and wants him. Source: Episode 1

Source: Episode 2

Everyone at school is geeking out over his lunch. Source: Episode 2

She just appeared out of nowhere. Source: Episode 2

They both fight to see who will be Hellscythe's servant. Source: Episode 2

Despite losing, she still went ahead and decided to stay. Source: Episode 2

She was alone by a marketplace. Source: Episode 2

Source: Episode 2

She doesn't like it whenever someone says something relating to death. Source: Episode 2