Navigating Japanese Culture: Let Us Be Your Gateway to Japan

Welcome to One Day Japan Inc., dedicated to bridging cultural gaps for those engaging with Japan. With expertise in cross-cultural consultancy, we aim to overcome cultural misunderstandings through comprehensive language and culture education, including immersive courses and business training.

Explore our tailored offerings, from language learning with consulting insights to business training and translation services, designed for both personal growth and professional development. Dive deep into Japanese communication and culture with us for a transformative experience.


Kent Iida (Santi), Founder

Company Profile:

  • Company Name: One Day Japan Inc.

  • Founder and CEO: Kent Iida aka Santi

  • Date of Establishment: January 26, 2022

    Under the umbrella of One Day Japan Inc., we proudly manage the Santi Japanese Language School, offering premier online Japanese language education and cultural insights.


  • Located in Tokyo, Japan


  • As of February 1, 2022: 2,000,000 yen

Primary Business Activities:

  • Japanese Language Education Online

  • Cross-Cultural Business Consulting

  • Expert Translation Services

  • Corporate Training and Seminars

Contact Information:

YouTube Channel: