She is also a former second year student and class representative at Kisaragi Academy and one of the five original survivors of Heavenly Host.

Ayumi's personality is all but wiped clean, leaving her in a seemingly vegetative state, possessing no emotions, and being unable to move. However, she is shown at the end of Blood Drive to at least be mentally present and possibly aware of her surroundings.

Her personality: creepy,kind,cute,scary,sadistic,protective,possessed,happy,japanese