Utiuti Keyaki manga
From AOC Translations: Tsukishiro Nina moves to Ruberia, a small country in Europe. But suddenly, she was bitten by Roy, a young Rougarou, a beast that is said to only exist in legends. Once bitten, Nina herself turned into one of them and was forced into "Abigaile" an academy prison on an island where all the beasts are exiled to. What cruel fate awaits the pitiful Nina...!?
- Chap 1 (4 years ago)