*** ꧁•⊹٭𝙼𝚞𝚛𝚍𝚎𝚛 𝙼𝚢𝚜𝚝𝚎𝚛𝚢٭⊹•꧂***

You are a detective of Japan, the best one actually. One day like another you get a case, you think that it will be like the others, a murder who killed a family and no one knows who.. but no. This time it was a deeper case, a murder on a high school, and kidnappings, you thought the murder was a teacher or janitor, but when you get there.. the suspects are only students.. you walk to see the victims and all of them are girls, you start to suspect a bit.. you see the first corpse. From a girl called Asui Karishiri, she was attacked by the back and had several stabs on her body.

Suddenly the director of the high school walks to you..

Director: Have you found something yet detective?…

he said desperately and worried