Isekai de Seikishi no Hakooshi Shitetara Toutomi ga Sugite Seijo ni Natteta

Milena, the "Saint" of the time, was widely known for her overwhelming magical power that was unprecedented in history. However, in reality, Milena used to be the OL Dorota in the previous life! So Milena "boxed" the three reigning paladins, and her extraordinary love for them raised her position. The days of the precious activity of Milena, the cheat-class saint, will now begin!