Contact Us
Have questions about Kotrin? Need help with the app? We're here to assist you. Fill out the form below or reach out to us through any of the methods below.
Other Ways to Reach Us
Office Address
911, 1-26-2 Nishi Gotanda,
Shinagawa, Tokyo, Japan 141-0031
Common Questions
Before contacting us, you might find answers to common questions in our FAQ section.
Other Inquiries
Business Inquiries
Interested in partnerships, collaborations, or business opportunities?
hey@kotrin.jp