#1 A serial abduction case occurs in a small village "Summon". It leads the villagers to believe in a rumor that the abducted ones are to be sacrificed to a certain kind of ritual... Given that a pair of nuns dispatched from a rural church is reported to be lost in a forest, the Cathedral finally decides to send a battle sister "Elina" to the forest in order to bring the incident to a conclusion...... An exploration based action game to prevent an enigmatic ritual from operating with the help of the divine power.