After the gang accepted Eddy into their group the Ed trio split, leaving one member behind. Now they are all in highschool, senior year, and things need to change. Little does everyone know there have been others out there, watching, ready to help.

As twins Touya and Touko start out on their adventure with their friends an investigation also begins, pulling them into a world of danger and mystery that they never thought they'd ever experience Later may change to rating M