After spending years slaving away for a soul-crushing company, Akira's life has lost its luster. But when a zombie apocalypse ravages his town, it gives him the push he needs to live for himself. Now Akira's on a mission to complete all 100 items on his bucket list before he...well, kicks the bucket.

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 to find help, but they soon learn this house has a sinister history.