An Intergalactic Officer, Birdy has the appearance of a human when, in fact, she is an alien. While she is giving chase to an interplanetary criminal on Earth, she accidentally kills a young boy who was in the wrong place at the wrong time. As her punishment, Birdy has to share her body with him, preserving his life. So she has to deal with the boy, whose name is Tsutomu, along with his family while still doing her job.  

~!Birdy is actually a successful creation of Ikushiora. !~

Tsutomu Senkawa is an average high school kid who is busy studying for his senior entrance exams. Tsutomu goes out for some fresh air, after a hard day's work studying for a big test, when he runs into a guy fleeing from a pretty young lady. The pursued man is actually an interplanetary criminal on the run from a Federation agent called Birdy Cephon Altera. Caught in the midst of this chase, Tsutomu gets thrown by the man at Birdy, which kills Tsutomu. Fortunately for Tsutomu, there is a way to keep him alive, although it comes at the price of discarding his body. He ends up merged into Birdy's body.

Saeko Chiba took up ballet at a young age with ambitions of becoming part of Takarazuka Revue. However, having failed the entrance exam for Takarazuka Music School in her third year of middle-school she joined the Minami Aoyama Shōjo Kageki Dan (南青山少女歌劇団, also called Nanshō for short) a stage group for teenage girls. Having had several lead roles over the three years she spent with the troupe, Saeko was then cast in the lead voice acting role of Kotori Haruno in the Sega Dreamcast game Diamond Daydreams. Having had a taste of being a seiyū and deciding that she preferred voice acting to performing on stage, Saeko decided to pursue the career full-time.

Saeko has also pursued a singing career with [Yuki Kajiura](https://anilist.co/staff/100077), who wrote music for some of the Nanshō stage shows, writing and producing almost all her material. Her first single was Koi no Kiseki, the theme song for the PlayStation game Meguri Aishite. She has since released nine singles and two albums, along with various character song and drama CDs. She has also performed theme songs for games such as Alundra 2 and Atelier Judie.

Saeko was also part of the group tiaraway with fellow Nanshō member [Yuuka Nanri](https://anilist.co/staff/95366). The duo released three singles and an album before breaking up on March 6 2005.

On August 26th, 2007 she married (on her 30th birthday), and on February 17, 2011 she gave birth to her first child, a daughter.

Birdy and Tsutomu are still co-existing in the same body, as Birdy continues her duties as Federation Investigator and celebrity persona, and Tsutomu seeks to balance them with his normal everyday life. When a criminal group connected to the Ryunka incident escape from custody, hiding themselves and their alien identities on Earth, Birdy and Tsutomu are thrown back into action. It seems, however, that there are other forces involved, as well as old faces, which give Birdy time to reflect on the past, and the people that influenced her.
 
(Source: Anime News Network)

Tsutomu, a perfectly average student, is busy studying for his high school exams when he stumbles into a police chase in progress. Caught in the crossfire, the boy is hit and on the verge of death when he's approached by a young woman. Birdy is on the scene and, by joining her consciousness with his, manages to save him from his imminent demise. Now they share a body and will have to learn to live together as she continues her career, capturing criminals and saving lives as an interplanetary police agent.

__Height:__ 160 cm

[Website](https://kotochawan.com/) | [Twitter](https://twitter.com/kotochawanmoon) | [YouTube](https://www.youtube.com/channel/UC1bBpyzaOM0gd7SNEwpDarQ/) | [Wiki (en)](https://en.wikipedia.org/wiki/Kotono_Mitsuishi) | [Wiki (jp)](https://ja.wikipedia.org/wiki/三石琴乃)

A voice actress and narrator. She graduated from high school in 1986 and then entered Katsuta Seiyuu Academy. 

In 1989, Mitsuishi made her seiyuu debut as Tomoyo in the OVA [Ace o Nerae! Final Stage](https://anilist.co/anime/312/). She became an instant celebrity with her role as [Usagi Tsukino](https://anilist.co/character/2030) when [Sailor Moon](https://anilist.co/anime/530) debuted in 1992, and her popularity increased again with her role as [Misato Katsuragi](https://anilist.co/character/1259) in the anime TV series [Neon Genesis Evangelion](https://anilist.co/anime/30). She is considered one of the most influential seiyuu in the business; the animated adaptation of [Ebichu](https://anilist.co/anime/1060/) was largely produced because of her interest in the project, reading the manga out loud between takes of recording lines for Evangelion. Mitsuishi is a freelancer and a former member of the talent management firm Arts Vision. 

She is married and has one daughter. 

Non-anime roles:

Vulpisfoglia - Arknights (VG)
[Jade](https://anilist.co/character/355046) - Honkai: Star Rail

Shes a brazilian actress and dublator.      Hobbies:  Adora fotografia e escrever. Fotografar dubladores está entre seus hobbies.  Habilidades:  Formada em Arquitetura, além de atriz profissional. É locutora publicitária e grava em português, espanhol, italiano e inglês.  

This OVA connects the first and second Tetsuwan Birdy DECODE seasons. 

Birdy uses her pin-up alter ego to help Tsutomu make a love connection with Sayaka, but everything goes horribly wrong when a Federation marionette is added to the equation! 
 
(Source: FUNimation)

A remake of Tetsuwan Birdy.
 
While pursuing a criminal, the pretty but reckless interplanetary police officer Birdy Cephon Altirra accidentally kills Tsutomu, an earthling high school student. To make amends, Birdy is forced to share her own body with Tsutomu's spirit so that he can continue his own life. At first, Tsutomu knows nothing about his situation but soon discovers that his body is starting to take certain actions without his mind ordering it. In times of action, Birdy takes full control of their shared body, transforming it back into her original female form.

While pursuing a criminal, the pretty but reckless interplanetary police officer Birdy Cephon Altera accidentally kills Tsutomu, an Earthling high school student. To make amends, Birdy is forced to share her own body with Tsutomu's spirit so that he can continue his own life. At first, Tsutomu knows nothing about his situation, but he soon discovers that his body is starting to take certain actions without his mind ordering it. In times of action, Birdy takes full control of their shared body, transforming it back into her original female form.


After two years of being dormant inside Tsutomu Senkawa, an accidental encounter with their old nemesis violently wakes Birdy up. With Birdy kicking evil's ass once again, the dark secrets of the experiments conducted by the "Agni" corporation are slowly revealed. They seem to be dabbling with human body enhancement, creating what they call "beast men," to combat the alien invasions related to Birdy. 
(Source: MangaHelpers)

Birdy Cephon Altera

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