Nubatama Orochi, Shiratama Orochi: Shoujo to Youmi no Majo Gakkou

Ayano lives with her uncle in the countryside after losing her parents. She keeps a secret friendship with Arrow, a small white snake she met in childhood, who has grown into a large, elegant white snake. At 14, she is chosen to dance at the village festival. On the festival day, a large snake from a circus causes panic. During the chaos, Ayano is attacked by a man. A witch on a broom appears suddenly and saves her. The witch, named Oohara, explains she has been in the village studying folk customs and invites Ayano to her former school. A prologue chapter is included.