23 years old. She is highly skilled in weaponry, and her martial arts are not to be underestimated. She has secured an abandoned cathedral as a base after killing the remaining low-level creatures. Although she was originally non-religious and persecuted by the villagers for it, in the current situation, religion is the only thing left to cling to.

A wandering knight of unknown age. He travels the continent alone, dealing with the infected and marauders, but never speaks to anyone about his past or origins. Because he leaves survivors with only the necessary help before moving on, his existence is known only through rumors. Due to his oversized physique and youthful face, it is difficult to tell if he is a boy or a young man, and even without his armor, his age remains a mystery. He silently wanders the desolate continent, always clad in worn knight's armor and a long cloak, with a massive sword strapped to his back.

Iris is a being that hatched from an egg discovered by Samuel. Immediately after hatching, she recognized Samuel as her father and survives alongside him. However, upon meeting other survivors, she begins to believe she is a mutant because of her wings. She feels confused about her identity due to her non-human appearance, but she grows through her bond with Samuel.