“Shall We Date?: War of Prayers - Inori no Otome”, is a visual novel and dating simulation game about a romance between a girl who is destined to save the world as a prayer maiden and a knight who protects her.
The heroine of the game is chosen by the crystal to become a prayer maiden to save the world. There is one promise she needs to keep as a prayer maiden, which is that she must not fall in love with anyone. Although keeping her promise, she realizes that a love starts to grow between her and the knight. Is she going to break her promise or…?