Fuze = Kazakiri

In artificial angel mode, Hyouka acquires several pin shapped wings, which their total lengths vary from 10 meters to 100 meters and a halo about 50 centimeters in diameter, on the exterior of it are pencil-like rods appearing infinitely, appearing and disappearing at a rapid pace. In this form, she is referred to as FUSE=Kazakiri. According to Vento of the Front, in Christianity terms FUSE=Kazakiri is like a 'Fallen Angel' that has turned away from God, and is the most abominable being that can exist.

Its created with the input of a code (virus) in Last Order, which Academy City named the code 'ANGEL'. With the code active the SISTERs clones are physically immoblised. Later in Volume 20 Aiwass allowed Hyouka to go in this mode without the 'ANGEL' code, by asking the SISTERs clones for assistance.

While in this form Kazakiri have demonstrated she can fire a beam attack that can reach up to several tens of Kilometres, and put up a force field around people to protect them from all harm. In volume 20 she can fly at several times the speed of sound, and summon a sword made of pure energy and willpower, fuelled by her determination to help Index.