Nantapak Chalermbhuvadech

Sudsakorn is a curious young man, raised in the ancient traditions of magic by his mystical grandfather. He never knew his farther. His mother, a beautiful mermaid is pained by his sadness, so sends him on a quest to find his father.

There is something wrong with Fa's high school, strange events have been happening around her. In which way is it related to the new teacher, Ajin?