This chapter is to explain zane's drug: hyper. There are four different kinds of it each of them do different effect.

Hyper:
This is his regular hyper that he accidentally made when experimenting with adrenaline. It helps him deal with pain so he uses it every time before a fight.

Hyper Fox:
This he made while working on improving hyper. It increases his speed when he's not Sharpfang.

Hyper bear:
This is one he bearly uses it. It lets him hit harder than usual but leaves his muscles sore.

Hyper バーサーカー :
Zane has never used it and hopes he never has to.