Deathless

Mizuki is a bespectacled university student who lives with her grandparents. One day, there's a little trouble with thugs, and two strange women, Suzaku and Kamado, step in. That night, a yakuza underling comes and murders Mizuki. Luckily, Suzaku comes along and (kind of) resurrects her! It turns out that Suzaku and Kamado are deathless beings who...