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We  embrace new opportunities, , aiming for a business that serves as a bridge between Japan and the world.

About us

Glass Buildings

[Company name]      Five Start Co., Ltd.

[Location]          Iguchi Building 4F, 1-23-10 Sekimachikita, Nerima-ku, Tokyo 177-0051
            TEL: 03-5903-9034 (from North America 206-965-8117)
            FAX: 03-5903-9034

            US branch office                                                              

                                 13213 NE David Circle, Building 3, Portland, OR 97230 USA


                            Hakone Remoto Office 

           Sengokuhara, Ashigarashimo Gun Hakone Machi, Kanagawa Ken, 250-0631, Japan


           Hawaii Remoto Office  

           445 Seaside Ave Honolulu HI 96815 USA​

[Representative]       Hirokatsu Arano 


[Establishment]            October 2004


[Capital]       20,000,000 yen


[Number of employees]  Headquarters 11 people Lecturers 183 people (as of May 2021)

[Primary business,]        Individual cram school guidance for children overseas  Best seminar

            Business Online Japanese language school  MDJ  
                                  Japanese Language School for Online Business  Business and Japanese
                                 Online School  Best Seminar

                                 Online school for people living in Japan  Enjoy Japanese 

[Number of students]     805 (as of May 2021)

[Major customers]         Kane Package Co., Ltd.
                                 Relocation International Co., Ltd.

[Affiliation]                  Overseas Nikkei Association
                                 Tokyo Chamber of Commerce and Industry

[Affiliated company]      Asia Regional Agency
                                 KP group
                                 16th Floor, Tower2 Insular Life Corporate Center Filinvest, Alabang,

                                 Muntinlupa City Pilippines
                                 Kane Package Co., Ltd.
                                 Canada exclusive agency
                                 Japan Advertising Ltd.
                                 Suite 410, 1199 West Pender Street, Vancouver, BC, Canada
                                Canada Journal
                                 US distributors and collection and delivery offices
                                Streamline Corporation
                                13213 NE David Circle, Building 3, Portland, OR 97230 USA

[Distributor]              Relocation International Co., Ltd.
                                JTB Benefit

                               Relo Redac, Inc.

ホーム: 概要

Office information


Our office is next to the clinic on the 4th floor of the Iguchi Building.

Office space

ホーム: 配送までの準備

Primary business

Best Seminar operates a school that teaches Japanese to Japanese-American children living overseas, using Skype and ZOOM.

I mainly teach children in North America Japanese, Japanese, and math as heritage languages.
Manga de Japanese also has a business to teach Japanese to Americans using manga.


Tutoring school for children living overseas

Best Seminar Business

Online Japanese Language School MDJ

Manga de Japanese

Japanese language school for online business

Business and Japanese

Online Japanese school for children

​Smile Japanese

ホーム: 講義一覧

Contact Us

4th floor, Iguchi Building, 1-23-10 Sekimachikita, Nerima-ku, Tokyo 177-0051


The transmission is complete.

ホーム: お問合せ
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