Mimori, Seira

深森聖良

Seira Mimori is a classmate of Meimi Haneoka and the only person aware of her escapades as Saint Tail. As a nun-in-training, Seira is typically found at the chapel after school, where many people approach her to share their personal problems, often involving theft. She then passes this information on to Meimi, who assists the affected individuals in her role as Saint Tail.
Seira is rather quiet and contemplative, contrasting with her best friend Meimi. She occasionally serves as a double for Meimi when needed throughout the series. Additionally, Seira is very observant and caring, voicing her concern when she fears Meimi might be discovered.