Now that Akira and Shizuka are officially an item, the gang hits the road again in Kyushu. Their adventure comes to an abrupt stop, however, when they run out of gas in the mountains. When an argument breaks out among the group, Takemina and Izuna realize it's up to them to save the day. They make for a house with lights on for help, but they soon learn this house has a sinister history.