After the beginning of the age of the white princess, in this world is always snowing. The protagonist has lost the momories of his past, after having joined to the army he is soon called "Silver Wolf". He receives the order to go the capital of the celestial maidens to rape the white and the blue princess. The white princess is the actual virgin consecrated to the deity and the blue princess will be the next one. Will the snow go on falling? What will the protagonist do to make the summer to be back?