Nao Oikawa is a Japanese actress, TV personality and was also a former AV idol who was very popular in the early 2000s.

Negima! Magister Negi Magi, known in Japan as Magical Teacher Negima! , is a Japanese manga series written and illustrated by Ken Akamatsu. It was serialized in Kodansha's Weekly Shōnen Magazine from February 2003 to March 2012, with its chapters collected into 38 tankōbon volumes.