SHIKABANE SHOUJO TO AI GA OMOI SEI KISHI NO TOUBATSU GAKUEN LIFE

A world where humans and demons coexist. Shurika, a zombie, enrolls in a boarding school where she learns the subjugation of "evil beasts" that are a common threat to both races. She will live there for three years in a pair of different races, but in a sense she will be paired with Marie, a holy knight with whom she has excellent compatibility. Moreover, Marie's affection is strangely heavy...?