In the previous story, Yoji and Kei rescued Anna, their adoptive mother. Now, they are once again using the Fastening Machine with Oscar, the bear robot, to solve any problems the town is facing. One day, however, a mysterious hero makes her appearance. And she happens to have the same Fastening Machine as Yoji and Kei. Who is this she? Why did she appear?  Just then, a big problem hits this peaceful town!  Will these small heroes be able to save the town from a crisis? This is a near-futuristic action anime taken to the next level! Don't miss it!

Fastening Days 2

Two women live together. Ako is meticulous and cleans the house and San is sloppy. Ako is visited by a mysterious mother and daughter while San watches over a couple who are quarrelling. One day, Ako's jewel disappears.