Berry is a girl living in the data-managed city of Tom Sawyer Island. Her hobby at the moment is trying to catch Phantom Zero, who's believed to be behind the cases of Love loss known as the Zero Phenomenon. One day, when she heads into town to get the broken Deco in one of her eyes fixed, Berry runs into a kid who seems like a ghost, due to being unable to be seen with Deco. Suspecting she may have finally found the Phantom, Berry begins her chase.

A young girl awakens in a empty white space. She's enjoying a happy life with her parents, staring out at her pet peacock. But then, from out of nowhere, Berry appears. The girl is surprised, and attempts to run away.