Nagi is the Grand Duke of Artai and Nina's master.   In the anime version: He enjoys teasing Mashiro and seems to know exactly what buttons to press to get his way. Upon his first meeting with Mashiro, he asked her if she was the "fake princess of Windbloom." Since then, the two have had a love-hate relationship. He's even had proposed marriage to Mashiro and nearly kissed her except for Arika's interference.    ~!His plan is to marry Mashiro and uses her power to rule the world, as a classical villain. For this purpose founds a army of traitor otomes who bear a grudge against Garderobe and the kingdom, where the only exception is Nina, who needs to work for him because she's his otome anyway. Nagi makes Nina and Arika fight each other, but in the end both give up because they're truly friends who love each other. The war stops and one of the last scenes shows us Nagi in the prision. !~   In the manga version: In the manga version, Nagi is truly in love for Mashiro, not knowing that his beloved princess is actually a guy.  He is used as scapegoat by the real villain who wants to kill Mashiro-boy and blame Nagi.   ~!When Sergay starts his dark plan to kill Mashiro-boy, he traps both Nagi and Mashiro in Garderobe's basement, where he reveals that he plans to kill Mashiro-boy and use the real mashiro princess, who wasn't really dead, as his puppet to rule the kingdom.  When Mashiro is attacked, his clothes are ripped and Nagi discovers that his love is actually a boy, however he gives Mashiro his own jacket and says that, for him, it doesn't matter if Mashiro is a boy or a girl, he still loves him.  Short after, Sergay kills Nagi and rushes to start a war in the kingdom, while Mashiro, wearing Nagi's jacket, declares that he will stops him.  One of the last scenes of the manga shows Nagi and the real princess Mashiro in heaven watching Mashiro-boy and the other otomes having fun.!~   

Arika Yumemiya has traveled far in search of her goal: the prestigious Gualderobe Academy. This is the school where young girls are trained to become Otomes, protectors of royal leaders throughout the lands. Here, Arika makes plenty of friends, but some enemies know something about her past that she does not. Nevertheless, her spirit and determination will keep pushing her forward. 
Adapted from its predecessor, Mai-HiME, this series is not a direct sequel, but an alternate universe setting featuring some of the Mai-HiME cast (though with different personalities).
 
(Source: Anime News Network)

Awards: 
- Most popular voice actor in the Animage Anime Grand Prix (2004)
- Best Supporting Actor at the 1st Seiyuu Awards (2007)

**Non anime roles:**

- Kamisato Ayato - Genshin Impact (Video Game)
- Otto Apocalypse - Honkai Impact 3rd (Video Game)
- Clotted Cream Cookie - Cookie Run: Kingdom (Video Game)
- Phantom - Arknights (Video Game)
- Tatsulot - Kamen Rider Kiva (Tokusatsu series)
- Luocha - Honkai: Star Rail (Video Game)

My-Otome Zwei takes place one year after the events of My-Otome. Arika is now a full-fledged Otome (though still under the tutelage of Miss Maria) and Nagi is incarcerated in a prison somewhere in Aries. The various nations are at peace with one another and plan to hold S.O.L.T. (Strategic Otome Limitation Talks) to discuss limiting the numbers of Otome. 
A mission to destroy a meteor threatening to collide with Earl sets into motion a chain of events which result in a mysterious shadowy figure attacking Garderobe and several Otome as well as a new, more powerful version of Slave appearing across the planet. To make matters worse, Queen Mashiro disappears following an argument with Arika. The series follows Arika's search for Mashiro as well as Garderobe's attempts to uncover the truth behind the shadowy figure. 
(Source: Wikipedia)

Mashiro-hime has just transferred to the all-girls school, Garderobe...but little do the other students know, she's actually a boy. Desperate to escape an all-boys school where he was looked down upon, he disguised himself as the late Mashiro-hime to get in. Unfortunately, due to "her" royal status, members of an organization known as Shwarz are trying to assassinate him, and all the while, he's trying to break his Contract with Arika Yumemiya, who unexpectedly became his Otome to protect him from a member of Shwarz.


A sequel to Mai Otome,which introduces Archduke Nagi's younger sister. Who is disguised as a man. Arashi (Nagi's sister) has bought Garderobe and all of its properties. The story starts from there.

Nagi Daí Artai