Naruto's little sister Aika cares deeply about her big brother and would do anything to make him happy. No matter what. The Struggles of becoming a ninja is hard and long, is Aika strong enough for this or will she be forever under her brother's growing shadow.

Isabella, a 16 year old girl who was extrordinary from everyone else. she never went to school since 7th grade and has always hidden herself from the world. She was born a demon but different from the rest, especially if you got purple flames and a tail. She is enrolled into True Cross Academy as a Exorcist cause of her 'Talent' to return demons to Gahena. When she mets Rin and Yukio, she keeps her gaurd up and Cover herself with a black coat and hoodie. She doesn't want to risk them knowing.

Rin and Yukio have just closed the Gate of Gehenna and are finally beginning to relax again when the gate is opened once again by a mysterious force. Something flies out of the gate, unconscious, and is covered in blue flames. The two brothers discover it's... A girl?!