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...