One of the main protagonists of the anime and light novel, "Love, Chunibyo, and Other Delusions", a.k.a. "Chūnibyō demo Koi ga Shitai!" Rikka has 8th grade syndrome and wears a patch on her right eye and a bandage thing wrapped around her left arm. She believes she has the tyrant's eye. She's in high school and has an older sister named Tooka who's a chef. She also has a friend named Sanae who also has 8th grade syndrome and Nibutani (a.k.a, Forest Summer / Morisummer) who used to have it and also Yuuta, the boy who lives below her and used to have 8th grade syndrome.
A girl who you might usually see as a friend but is actually something more. Very trustworthy and caring. Sometimes might seem like a bitch but when you really get to know them their a great friend. Very beautiful and strong. Very Ninja.
Don't make the mistake of loosing them as a friend because you will regret it.