Due to his role in the tragedies in her early life after reincarnating and him trying to directly kill her after learning of her nature as a vampire that ended up destroying her home country, Sophia has an extremely negative and murderous hatred for Potimas.
In their previous lives, Negishi was jealous of looks and lamented how they were treated so differently despite both being social outcasts.
She generally bears the name Ennoia, but is also called Wisdom Sophia , Ruler, Holy Spirit, Prunikos, Barbelo.
It's heroine is no magic pixie dream girl but a mystic christian wisdom girl who is both fully divine and fully human, fully consistent and fully unpredictable, navigating hard sci-fi with a light and deft touch throughout the story.
I'll say nothing more about her, except that I liked everything she said! Is she a visitor from God? She is also occasionally called Parthenos and again is elsewhere identified with the Barbelo or Barbero Epiph.
Said zombies won't stop moving unless their bodies are destroyed, and also don't give any experience.