A normal high school student who wishes to become a professional wrestler. One day, a robot named Iczel confronts Nagisa and urges her to help save the world from invading aliens. Although at first, she refused, Nagisa had no choice but to merge with Iczel to become an Iczelion (イクセリオン, Ikuserion). She struggles at first because she does not want to hold the responsibility of being an Iczelion and saving the world, but later realizes that she must protect those she cares about, giving her the strength to become an Iczelion and fight to save the Earth. She can enter Burst Acceleration Mode for a brief period of time.

Iczelion, the final entry in the "Icz" series, is a departure from the previous storyline in most resepcts.<br><br>
Throughout the galaxy, two villians destory and pillage anything in their path. Their names are Cross and Chaos, and they are ready to invade their next target: Earth. The only defense against these warriors are the Iczelions, a fusion of young girls, and Iczels, sentient body armor. Nagisa is a typical high school girl who is about to become the next Iczelion against her will, to defend the planet and save the human race! But not if she has anything to say about it...<br><br>
(Source: AniDB)

Voice actress affiliated with ADV and FUNimation productions

Nagisa Kai