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Sawa Takigawa is a supporting protagonist in Kamen Rider Build. She is a Touto journalist seeking to uncover the mystery behind the Smash and Kamen Rider Build. Secretly, she is a spy for Namba Heavy Industries Ltd. and is collecting information on Build for them. However, she later defects from Namba and begins helping Build and his friends.

History

Origin

Sawa grew up in an orphanage where she was raised as one of the Namba Children. Alongside the other children, Sawa was trained as a spy and conditioned to have complete loyalty to Namba.

Encounters with Build

Sawa interviewed Gentoku Himuro about the Smash, where she asked for his thoughts on the rumored Kamen Rider. Gentoku instead suggested "continuing the conversation" at the nearby hotel, but Sawa predictably rebuked him.

Later that night, Sawa was saved from Needle Smash by Kamen Rider Build. As he canceled his transformation and walked away, he dropped a nascita card, giving Sawa a clue as to his true identity.

The next day, she visits Sento's hideout after Soichi accidentally left the door open. She promises to Sento not to reveal his identity in exchange for him letting her interview him.

True Nature Revealed

However, she was later revealed as a spy for Namba, secretly providing him with photographs of all of Build's Best Match forms thus far. However, Misora finds the audio-recording bug Sawa had planted in their hideout and realizes she is not who she seems. 

She soon discovers that her bug is missing, and is confronted by Misora. Sawa attempted to convince Misora that the bug was just a habit for her reporting, but Misora remained unconvinced. Sawa then uses Ryuga's arrival as an opportunity to escape and reports to Namba that her cover has been compromised. She is then captured by Faust and turned into the Stretch Smash. After this was recorded on video, Faust sent it Sento and set her loose in the city, Build tried to fight her off as Build KeyDragon, but the power proved to much for him and he was forced to cancel the transformation. Fortunately for him, Ryuga became Cross-Z and defeated her in one blow before Sento extracted her Smash essence. Sawa then confessed to having been a spy.

Defecting from Namba

Back at nascita, Sawa delves into more detail about her nature as a spy for Namba, and supplies them with a conversation between Namba and Night Rogue she secretly recorded using a voice recorder in her necklace, as well as information on the Pandora Box's current location. She was then chained to a chair in Sento's lab to prevent her from escaping, while Sento and Ryuga went to investigate. She was later unchained by Misora when the two Riders returned.

Sawa later went to visit the hospitalized Taizan Himuro in a bid to convince him that there is connection between Faust and the Touto government. However, Taizan received information that the Touto government is launching an operation to wipe out Faust, causing him to doubt Sawa's report was disproved on the spot and for security to be sent to arrest her, but Sawa escaped.

Navigation

           TOS Logo Heroes

Kamen Rider
Takeshi Hongo | Hayato Ichimonji | Tobei Tachibana | Kazuya Taki

Kamen Rider V3
Shiro Kazami | Joji Yuki

Kamen Rider X
Keisuke Jin

Kamen Rider Amazon
Daisuke Yamamoto

Kamen Rider Stronger
Shigeru Jo | Yuriko Misaki

Skyrider
Hiroshi Tsukuba

Kamen Rider Super-1
Kazuya Oki

Kamen Rider ZX
Ryo Murasame

Kamen Rider Black/RX
Kotaro Minami

Kamen Rider Kuuga
Yusuke Godai

Kamen Rider Agito
Shouichi Tsugami | Makoto Hikawa | Toru Hojo | Takahiro Omuro | Ryo Ashihara | Kaoru Kino | Shiro Mizuki

Kamen Rider Ryuki
Shinji Kido | Ren Akiyama | Shuichi Kitaoka | Goro Yura | Miyuki Tezuka | Miho Kirishima | Yuichi Sato | Satoru Tojo

Kamen Rider Faiz
Takumi Inui | Yuji Kiba | Masato Kusaka | Shuji Mihara | Mari Sonoda | Keitaro Kikuchi | Rina Abe

Kamen Rider Blade
Kazuma Kenzaki | Hajime Aikawa | Sakuya Tachibana | Mutsuki Kamijo

Kamen Rider Hibiki
Hitoshi Hidaka | Iori Izumi | Tomizo Todayama | Zaoumaru Zaitsuhara | Daisuke Danda | Sakae Saeki | Kamen Rider Eiki | Kamen Rider Shuki | Akira Amami | Kyosuke Kiriya

Kamen Rider Kabuto
Souji Tendou | Arata Kagami | Daisuke Kazama | Sou Yaguruma | Shun Kageyama | Tsurugi Kamishiro | Riku Kagami | ZECT

Kamen Rider Den-O
Ryotaro Nogami | Momotaros | Urataros | Kintaros | Ryutaros | Sieg | Yuto Sakurai | Deneb

Kamen Rider Kiva
Wataru Kurenai | Otoya Kurenai | Taiga Nobori | Masao Kurenai | Keisuke Nago | Kengo Eritate | Jiro

Kamen Rider Decade
Tsukasa Kadoya | Daiki Kaito | Natsumi Hikari | Yusuke Onodera

Kamen Rider W
Shotaro Hidari | Philip | Akiko Narumi | Ryu Terui | Sokichi Narumi

Kamen Rider OOO
Eiji Hino | Akira Date | Shintaro Goto

Kamen Rider Fourze
Gentaro Kisaragi | Ryusei Sakuta | Nadeshiko Misaki

Kamen Rider Wizard
Haruto Soma | Kousuke Nitoh | Koyomi Fueki | Mayu Inamori | Yuzuru Iijima | Masahiro Yamamoto

Kamen Rider Gaim
Kouta Kazuraba | Kaito Kumon | Mitsuzane Kureshima | Takatora Kureshima | Yoko Minato | Mai Takatsukasa | Hideyasu Jonouchi | Ryoji Hase | Oren Pierre Alfonzo | Zack

Kamen Rider Drive
Shinnosuke Tomari | Go Shijima | Chase | Kiriko Shijima | Heart Roidmude | Brain Roidmude | Medic Roidmude

Kamen Rider Ghost
Takeru Tenkuji | Makoto Fukami | Alain | Akira Tsukimura | Onari Yamamouchi | Alia

Kamen Rider Ex-Aid
Emu Hojo | Asuna Karino | Hiiro Kagami | Taiga Hanaya | Kiriya Kujo | Kuroto Dan | Parado

Kamen Rider Build
Sento Kiryu | Ryuga Banjou | Kazumi Sawatari | Gentoku Himuro | Misora Isurugi | Sawa Takigawa | Nariaki Utsumi | Evolt

Kamen Rider Zi-O
Sougo Tokiwa | Geiz Myokoin | Tsukuyomi | White Woz | Black Woz | Rentaro Kagura | Isamichi Konjo | Mondo Douan | Rento Makina

Kamen Rider Zero-One
Hiden Intelligence (Aruto Hiden | Izu | Jun Fukuoze) | A.I.M.S. (Isamu Fuwa | Yua Yaiba)

Other Heroes
Shin Kazamatsuri | Masaru Aso | Kouji Segawa | Takeshi Hongo (reboot) | Katsuhiko Yano | Shiro Kazami (reboot) | Jun Kadowaki | Junichiro Kadowaki | Goro | Ganbarider | Haruka Mizusawa | Chihiro | Jin Takayama

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