After successfully dispatching the hulking assassin known as Demian, Eito finds himself facing down two of his comrades, Rin and Ain. He soon discovers that this new pair of foes won't be half as easy as Demian. Between fending off Ain's venomous vines and Rin's drill-like appendages, Eito is hard-pressed to land a single blow. What follows is a desperate defensive battle that will push Eito's abilities to the limit.