Nadeshiko Fujisaki

Nadeshiko Fujisaki is a student in the same year as Amu and serves as Queen's Chair of the Guardians. When Amu rejected the offer to join the Guardians, Nadeshiko tries several tactics to convince Amu to join. The two become best friends and Nadeshiko looks over and supports Amu in her love life. However, before Amu and Nadeshiko enter the sixth grade, Nadeshiko leaves Seiyo Elementary to travel to Europe to study dancing.
Nadeshiko is actually a boy named Nagihiko Fujisaki, called "Nagi" as a nickname by Amu and the girls. It is tradition in the Fujisaki family for males to be raised as females as part of their training so that they may play female roles in Japanese dance. Nagihiko's secret is known by his family, Tadase, Kiseki, Kukai, Daichi, the school's principal Tsukasa Amakawa, Rima, and Kusukusu.Nagihiko has trouble telling Amu that he is actually a boy, instead, he told Amu that he is Nadeshiko's twin. After Kairi leaves the Guardians, Nagihiko returns and is appointed as the interim Jack's Chair. In the anime television series, Nadeshiko is voiced by Saeko Chiba. He is portrayed by Kanon Fukuda in the musical.