The story begins when the student Kazuki Muto tries to save a girl in difficulty seeing the para shot of a Homunculus, half snake and half man, using his own body as a shield and being cut to the heart.
The Opening Theme is "Makka Na Chikai" by Yoshiki Fukuyama. The first Ending Theme is "Hoshiakari" by Jyukai and the second is "Itoshiki Sekai" by Aya Kagami.
