On the way to find the main charging target, Juden chan, or better known as "Plug," met a college student named Sendo. She explains that her job is to give people energy when they feel as if they have none. Sendo`s younger sister, Hakone, apparently is scouted to be the main charging target. Dismissing Plug`s explanation as nonsense, Sendo argued that he couldn`t believe her whole back story. However he will be changing his mind after things start to transpire...