はじまりの呪文
Prequel
Youki ni Kaanibaru Naito
妖気にカーニバルナイト
manga
-Saki, who spends every day, always feeling the inferiority of the twin sister Kamiko Kaisetsu. One day she was struck by a fault. But a mysterious boy helped me. He says he was an early fiancé and welcomed her as promised 10 years ago. Moreover, Wu was a tengu! The first appearance of Adventure Love! Hattotou