Mahou Shoujo Ikusei Keikaku: Black

With only 15 students in total, and all girls at that, Umemizaki Junior High’s Class 2-F is a bit peculiar. In fact, “peculiar” doesn’t even cut it—this is a special class that the Magical Kingdom created to raise the next generation of legitimate magical girls! From the outside, these elite students represent a beacon of hope for the future. But behind closed doors, something terrible is brewing…

(Source: Yen Press)