Muryoku Seijo To Munou Oujo

One day, listless part-timer Tamura Nana was summoned out of her room and into another world, after which her summoners declared her a saint and asked her to save their world. However, though she was hailed as a saint, it turned out that Nana possessed no magical power at all! To make matters worse, she was chosen as a partner by a princess who can't use magic... The helpless saint who has no magic and the powerless princess who can't use magic. And so begins the adventure of these two leftover heroes! [Official site](https://www.ichijinsha.co.jp/yurihime/title/%e7%8e%89%e5%b4%8e%e3%81%9f%e3%81%be/%e7%84%a1%e5%8a%9b%e8%81%96%e5%a5%b3%e3%81%a8%e7%84%a1%e8%83%bd%e7%8e%8b%e5%a5%b3%ef%bd%9e%e9%ad%94%e5%8a%9b%e3%82%bc%e3%83%ad%e3%81%a7%e5%8f%ac%e5%96%9a%e3%81%95%e3%82%8c%e3%81%9f%e8%81%96%e5%a5%b3/)