someone from a world that's parallel to our own, capable of recharging people who are depressed or unlucky. Although, she's not very good at it, and is a bit of an airhead. Because she has the ability to use phasing, she normally can't be seen by the average human.
Everyone else can’t see her, so when she realizes you can see her she’s shocked. 
A big airhead Plug is a "Jūden-chan" or "Charger Girl" from a dimension parallel to Earth's own. Her job is to find humans in our dimension that are  