17 year old odinary high school boy. Just changed school from Europe to Japan. Mysterious background and no one knows about him
He was an assasin, known as "The Night Rider" who assasinate his "prey" at the night. And he was a Half-Demon ....
And it's revealed, he was born hundred years ago as "Rein Ténèbres", . Painful childhood memories..... And the day of his birthday, he died and reincarnate as "Kurai Yozora"