Shirobara Gakuen Satsujin Jiken (2017)

The White Rose Academy is a boarding school for young ladies. Yuriko Nagashiro, student council president and the daughter of the school's director, and Ranko Kanzaki, a first-year student at the school, witness Sayuri Okabe's suicide. However, Yuriko suspects that this incident wasn't a suicide. Together with Ranko, she begins to solve the mysteries of the school.