This article is about a/an monster turned ally in Kamen Rider Zero-One.

Smile Sumida (住田スマイル Sumida Sumairu) was a Realtor-Type Humagear that competed in a competition against Tatsumi Shinyashiki using the ZAIASpec before temporarily being hacked by the Ark and transformed into the Ark Magia (Neohi Type) (アークマギア(ネオヒタイプ) Akumagia Neohitapiu).


While Sumida tried to sell a house, she remembered about Aruto as she decided to scan her Humagear Body Seal barcode with her own Progrisekey to help Izu Transfer her data to the Progrise Hopper Blade.It's Our Turn

Magia Form

Ark Magia (Neohi Type)
KR01-Ark Magia Neohi

Neohi Magia

―Transformation announcement[src]


  • Height: 197.9 cm
  • Weight: 125.6 kg

After her programming is altered by the Ark remotely to incorporate the data of the Neohi Magia, Sumida is transformed into the transformed into the Ark Magia (Neohi Type) (アークマギア(ネオヒタイプ) Āku Magia (Neohi Taipu)).


  • Maratacle (マーラタクル Māratakuru): The tentacles extending from the Neohi Magia's head. They have sharp tips for attacking foes and can quickly regenerate after being severed.


  • Humagear Hacking: Using a method similar to transforming into a Magia, the Neohi Magia can corrupt other Humagear and transform them into Trilobite Magia by piercing them with tendrils.
  • Smokescreen: The Neohi Magia is able to produce an electrified black smoke to obstruct its foes' vision and escape.
  • Lightning Discharge: The Neohi Magia can generate yellow electricity from the Maratacles.

Behind the Scenes


Smile Sumida is portrayed by Erina Nakazaki (中崎絵梨奈 Nakazaki Erina).


The Neohi Magia's name is derived from Neohibolites, an extinct genus of cephalopods.


  • Her first name Smile is from the English word, smile, representing how she smiles at her customers.
  • Smile Sumida is the third female Humagear to become a Magia, with the first and second being Seine Kanasawa and Sakuyo Ichirin respectively.
    • Like Sakuyo, however, Smile can be recovered to the normal state and won't get her memory erased due to being an Ark Magia.



Icon-zero-one Kamen Rider Zero-One
Kamen Riders
Soreo Hiden - Aruto Hiden - Isamu Fuwa - Yua Yaiba - Jin - Horobi - Ikazuchi - Gai Amatsu - Ark - Naki
Movie-exclusive: Soreo Hiden
Hiden Zero-One Driver - A.I.M.S. Shotriser - MetsubouJinrai Forceriser - Zetsumeriser - ZAIA Thousandriver - Cycloneriser - Raidriser - ZAIA Slashriser - Ark Driver-Zero - Hiden Zero-Two Driver - Progrisekeys - Progrise Holder - Progrisekey Connector - Hiden Risephone - Attache Calibur - Attache Shotgun - Attache Arrow - Breaking Mammoth - Giger - Authorise Buster - Assault Grip - Thousand Jacker - Progrise Hopper Blade - ZAIASpec
Hiden Intelligence: Korenosuke Hiden - Soreo Hiden - Jun Fukuzoe - Sanzo Yamashita
Humagears: Izu - Shesta - Soreo Hiden - Wazu Nazotoku - Subaru - Hakase Bot - Fukkinhoukai Jiro
Legend Riders: Sougo Tokiwa - Geiz Myokoin - Woz - Tsukuyomi
Humans: Norio Uozumi - Go Sakurai - Satoshi Sakurai - Choichiro Ishizumi - Seiji Tazawa - Satō - Yuta Yomura - Isao - Shinya Owada
Humagears: Mageana - Ikkan Nigiro - Anna - Mashirochan - Dr. Omigoto - Z #5 - Delmo - Love-chan - Midori
A.I.s: Zea - Zat
Ark - Horobi - Naki - Jin - Ikazuchi - Little Assassin - Azu
Monsters: Berotha Magia - Kuehne Magia - Ekal Magia - Neohi Magia - Onycho Magia - Vicarya Magia - Gaeru Magia - Mammoth Magia - Dodo Magia - Arsino Magia
Footsoldiers: Trilobite Magia - Dodo Magia Chick - Battle Magia
Other Villains:
Finis - Will
Gai Amatsu
ZAIASpec Representatives: Rentaro Tachibana - Tatsumi Arayashiki - Naoto Ichimori - Takeshi Homura - Masamitsu Yudo
Other: Daiki Kyogoku
A.I.M.S.: Eida - Ono - Degawa - Shida - Eifuku - Ito
Monsters: Crushing Buffalo Raider - Splashing Whale Raider - Dynamaiting Lion Raider - Storming Penguin Raider - Scouting Panda Raider - Fighting Jackal Raider
Footsoldiers: Invading Horseshoe Crab Raiders
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