Ao no Exorcist: Yuki no Hate-hen

Rin Okomura was a young man, half a demon. He was trained in an institution to discover its true identity. He has no idea about his father. He intended to come as a repellent party. Therefore, he continues training at the academy.. He was aware of his demonic talents and wished to protect humanity from evil forces. Later, he learned about his father. Who is Satan? He must sustain their legacy. This affected his entire life; he lost many friends and is now torn between light and darkness.