Main character of
Kodomo no Omocha.
Her adoptive mother (a single parent) found her on March 7, hence her name ("March 7" in Japanese is "sangatsu nanoka").
She is a child actress, so energetic she probably racks up more miles than Ryouga Hibiki.
She is a very caring person and often tries to solve other people's problems.
She makes music, mostly silly little rap songs about whatever is on her mind at the moment.