Popular games for franchise Ai Shimai

Six months have passed since Takaya moved to this town... One day, he accidentally strikes a living creature. It is "Ring" and he says he is a messenger of the God who protects this area. And Takaya is forced to go through a trial to take over the God. The trial is to get a girlfriend during a certain period. He doesn't want to be the God, and he ignores it and goes to school...