- Mahiro Asakura (朝倉 真尋, Asakura Mahiro?)
Mahiro is Nobunaga's younger sister. She is referred by her brother as a hopeless person with a poor sense of direction. She views Nobunaga as an idiot older brother, though she does like Yūto. She dislikes her brother's otaku hobbies. She does not make an appearance in the anime.