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|origin = ''Kamen Rider Build''
|origin = ''Kamen Rider Build''
|occupation = Prime Minister of Seito
|occupation = Prime Minister of Seito
|skills = Leadership|hobby = Unknown
|skills = Leadership
|hobby = Unknown
|goals = Conquer and unify Japan.
|goals = Conquer and unify Japan.
|type of villain = Tyrant}}
|type of villain = Tyrant
|crimes = Invading Touto.}}
'''Masakuni Mido''' is the Prime Minister of the [[Seito]] state of Japan and one of the main antagonists of ''Kamen Rider Build''.
'''Masakuni Mido''' is the Prime Minister of the [[Seito]] state of Japan and one of the main antagonists of ''Kamen Rider Build''.

Revision as of 13:15, 24 May 2018

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Masakuni Mido is the Prime Minister of the Seito state of Japan and one of the main antagonists of Kamen Rider Build.

Like Yoshiko Tajimi, Mido seeks to dominate the entirety of Japan. However, unlike her, Mido is much more patient, willing to wait for the other nations to be weakened before choosing to strike.


Mido met with the other two Prime Ministers at their monthly scheduled meeting via hologram. Both Mido and Hokuto's Prime Minister Yoshiko Tajimi declined to make any actions towards unifying when the Prime Minister of Touto, Taizan Himuro brought it up.

He later met with the other two Prime Ministers again at a meeting where they discussed the issue of the Faust organization. Mido pointed out that Faust only seemed to be active in Touto, but Gentoku Himuro told both of them that Touto would deal with Faust and accused them of trying to scapegoat Touto.

When Hokuto launched an invasion of Touto, Mido decided to make his move. Knowing that most of Hokuto's military was directed towards invading Touto, Mido sent Seito's forces, led by Seito's own Kamen Rider, to invade Hokuto. The invasion proved a success, with Prime Minister Tajimi being captured and taken into custody.

Following the occupation of Hokuto, with the backing of Namba Heavy Industries, Mido declared war on Touto next. He broadcast a message to the Touto government displaying the strength of Seito's military.

After Kamen Rider Rogue was defeated by Build in a proxy battle, Mido honored the terms of the battle and prepared to turn over the Fullbottles and Pandora Box. However, Juzaburo had Blood Stalk kill Masakuni and transfer the Prime Minister's face onto him so he could take charge of Seito and wage war against Touto with the full might of Namba Heavy Industries.

           BUILD LOGO.png Villains

Night Rogue | Blood Stalk | Takumi Katsuragi | Nariaki Utsumi | Shingo Kuwata | Eita Kawai | Masahiro Nabeshima | Norio Matsui | Yoshikazu Takahashi | Shinobu Katsuragi | Faust Guardians

Yoshiko Tajimi | Blood Stalk | Kazumi Sawatari | Hokuto Three Crows | Akaba | Aoba | Kiba | Massugu Ubukata | Hokuto Guardians

Masakuni Mido | Kamen Rider Rogue | Fu Washio | Rai Washio | Seito Guardians | Hard Guardians

Namba Heavy Industries Ltd.
Juzaburo Namba | Nariaki Utsumi | Fu Washio | Rai Washio | Sawa Takigawa | Kaisei Mogami | Guardians | Hard Guardians

Blood Tribe
Killbus | Evolt | Kengo Ino | Ryoka Saiga | Mitsuomi Gohara

Needle Smash | Strong Smash | Burn Smash | Flying Smash | Press Smash | Ice Smash | Stretch Smash | Fang Smash

Simon Marcus | Keiji Uraga | Phantom Crushers | Guardians | Hard Guardians

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