In-taxi program "Himitsu no PRIME" enters its 3rd year! 50 wrapped vehicles designed with MC "Ravi-san" to run in Tokyo
IRIS Inc., which operates Japan's largest taxi media "TOKYO PRIME," announced that its in-taxi program "Himitsu no PRIME" is entering its third year. To commemorate this, 50 wrapped taxis featuring the MC character "Ravi-san" will start operating in Tokyo from May 11, 2026, allowing the program's world to be enjoyed even on the streets.
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- 📰 Published: May 7, 2026 at 20:00
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IRIS Inc. (Headquarters: Minato-ku, Tokyo; Representative Directors: Takuya Manai, Teppei Toda; hereinafter "IRIS"), which operates "TOKYO PRIME," Japan's largest (※) taxi media, announced that to commemorate the third anniversary of its in-taxi program "Himitsu no PRIME," 50 taxi-wrapped vehicles ("Taxiseal") designed with the program's MC "Ravi-san" will begin operating in Tokyo from Monday, May 11, 2026.
■ Special vehicles commemorating the 3rd year of "Himitsu no PRIME" will run throughout Tokyo
"Himitsu no PRIME," which has delivered timely information on the theme of "secret stories" that can only be heard from luxurious guests in the private space of a taxi, has now entered its third year since its first broadcast.
To commemorate this, special vehicles featuring the program's familiar MC character "Ravi-san" prominently designed on the body will appear. These chic "Taxiseal" designs, based on the program's image colors, will operate in a limited number of 50 vehicles, mainly in key areas of Tokyo.
You can enjoy the world of "Himitsu no PRIME" more closely, not only inside the taxi but also on the streets.
【Operation Overview】
・Operation start date: May 11, 2026 (Monday) - August 10, 2026 (Monday)
・Number of vehicles: 50 (in Tokyo)
◼️ What is "Himitsu no PRIME"?
It is a 1-minute "secret story information program" where the main character "Ravi-san" and guests secretly share things and events they are currently interested in but didn't want to tell others, providing hints for becoming a good adult.
We will secretly deliver "secret things" taught by our guests only to those riding in taxis.
・Program name: Himitsu no PRIME
Guests change monthly, and content changes weekly.
・Distribution method: Taxi signage
Number of installations: 71,000 units (25,500 units in Tokyo), Area: 36 prefectures nationwide
・Official YouTube: https://www.youtube.com/channel/UC_JITiRRMJtc3_YDw5KhZYA
(Archived on this official channel after the distribution period ends.)
・Official website: https://www.tokyo-prime.jp/contents-gallery/
(Archived on this official website after the distribution period ends.)
◼️ Who is Ravi-san?
A grown-up rabbit who loves good adults, is keen on stories about things and events told by good adults, and has a straightforward and frank personality. Normally, he quietly keeps his ears down, but he perks up and latches onto interesting secret stories. He's an exciting adult rabbit.
Ravi-san Official X (@loveesan_0401): https://x.com/loveesan_0401
IRIS's corporate vision is "Creating new opportunities for people and industries with PRIME MEDIA." Through PRIME MEDIA, we will continue to provide a better riding experience for taxi users.
■ Taxiseal (https://www.taxiseal.jp/)
"Taxiseal," operated by IRIS Inc., began sales in August 2022. It is a new OOH advertising service that allows for cheap, fast, and easy visualization of the effects of highly visible taxi wrapping advertisements running in urban areas.
Media kit for July-December 2026 was released on April 28 (Tuesday).
July-December 2026 Media Kit
■ TOKYO PRIME (https://www.tokyo-prime.jp/)
"TOKYO PRIME," operated by IRIS Inc., is Japan's largest (※) taxi media, primarily broadcast on rear-seat tablets installed in taxis called via the 'GO' app.
As of April, the number of signage installations has expanded to 71,000 units (25,500 units in Tokyo), covering 36 prefectures nationwide.
With the concept of "18 minutes to encounter an unseen PRIME," we deliver content that condenses "PRIME serendipity," such as encounters with special things, events, and information that only customers riding in taxis can experience.
※ Based on a comparison of the number of units stated in the media kits of various taxi media companies. As of May 2026.
■ IRIS Inc. (https://www.iris.inc/company)
IRIS Inc. was established in June 2016 as a joint venture between GO Inc. and FreakOut Holdings, and develops signage media and sells advertising by combining mobility and ad technology.
With the corporate vision of "Creating new opportunities for people and industries with PRIME MEDIA," we are dedicated to media.
■ Special vehicles commemorating the 3rd year of "Himitsu no PRIME" will run throughout Tokyo
"Himitsu no PRIME," which has delivered timely information on the theme of "secret stories" that can only be heard from luxurious guests in the private space of a taxi, has now entered its third year since its first broadcast.
To commemorate this, special vehicles featuring the program's familiar MC character "Ravi-san" prominently designed on the body will appear. These chic "Taxiseal" designs, based on the program's image colors, will operate in a limited number of 50 vehicles, mainly in key areas of Tokyo.
You can enjoy the world of "Himitsu no PRIME" more closely, not only inside the taxi but also on the streets.
【Operation Overview】
・Operation start date: May 11, 2026 (Monday) - August 10, 2026 (Monday)
・Number of vehicles: 50 (in Tokyo)
◼️ What is "Himitsu no PRIME"?
It is a 1-minute "secret story information program" where the main character "Ravi-san" and guests secretly share things and events they are currently interested in but didn't want to tell others, providing hints for becoming a good adult.
We will secretly deliver "secret things" taught by our guests only to those riding in taxis.
・Program name: Himitsu no PRIME
Guests change monthly, and content changes weekly.
・Distribution method: Taxi signage
Number of installations: 71,000 units (25,500 units in Tokyo), Area: 36 prefectures nationwide
・Official YouTube: https://www.youtube.com/channel/UC_JITiRRMJtc3_YDw5KhZYA
(Archived on this official channel after the distribution period ends.)
・Official website: https://www.tokyo-prime.jp/contents-gallery/
(Archived on this official website after the distribution period ends.)
◼️ Who is Ravi-san?
A grown-up rabbit who loves good adults, is keen on stories about things and events told by good adults, and has a straightforward and frank personality. Normally, he quietly keeps his ears down, but he perks up and latches onto interesting secret stories. He's an exciting adult rabbit.
Ravi-san Official X (@loveesan_0401): https://x.com/loveesan_0401
IRIS's corporate vision is "Creating new opportunities for people and industries with PRIME MEDIA." Through PRIME MEDIA, we will continue to provide a better riding experience for taxi users.
■ Taxiseal (https://www.taxiseal.jp/)
"Taxiseal," operated by IRIS Inc., began sales in August 2022. It is a new OOH advertising service that allows for cheap, fast, and easy visualization of the effects of highly visible taxi wrapping advertisements running in urban areas.
Media kit for July-December 2026 was released on April 28 (Tuesday).
July-December 2026 Media Kit
■ TOKYO PRIME (https://www.tokyo-prime.jp/)
"TOKYO PRIME," operated by IRIS Inc., is Japan's largest (※) taxi media, primarily broadcast on rear-seat tablets installed in taxis called via the 'GO' app.
As of April, the number of signage installations has expanded to 71,000 units (25,500 units in Tokyo), covering 36 prefectures nationwide.
With the concept of "18 minutes to encounter an unseen PRIME," we deliver content that condenses "PRIME serendipity," such as encounters with special things, events, and information that only customers riding in taxis can experience.
※ Based on a comparison of the number of units stated in the media kits of various taxi media companies. As of May 2026.
■ IRIS Inc. (https://www.iris.inc/company)
IRIS Inc. was established in June 2016 as a joint venture between GO Inc. and FreakOut Holdings, and develops signage media and sells advertising by combining mobility and ad technology.
With the corporate vision of "Creating new opportunities for people and industries with PRIME MEDIA," we are dedicated to media.