this all started in an all-girls school that is suddenly plagued with strange incidents ever since that one teacher. “Ajin Nakaritta” joined their school. One particular girl “fa” has her interest piqued by these incidents, and she slowly realizes she's much more involved in them than she had expected “she doesn’t know the danger she’s facing.” ( INSPO : ENIGMA BY GMMTV ขอบคุณสำหรับบทบาทสมมุติ!!)