Rosen Blood.

Rosen Blood ～背徳の冥館～

Rosen Blood (Japanese: Rosen Blood ～背徳の冥館～, Hepburn: Rōzen Buraddo Haitoku no Meikan) is a Japanese manga series written and illustrated by Kachiru Ishizue. It was serialized in Akita Shoten's shōjo manga magazine Monthly Princess from September 2017 to July 2022, with its chapters collected in five tankōbon volumes. The manga has been licensed for English released in North America by Viz Media.