Customer Service

Welcome to KOI.JP! We're here to make your shopping experience as smooth as possible. Here's how we can assist you:

Contact Information:

  • Need help? Contact our customer service team via email at or through our website's live chat during business hours.

Order Assistance:

  • Have questions about an order, shipping, or product availability? We're happy to help. Reach out to us, and we'll provide the information you need.

Feedback and Suggestions:

  • We value your feedback. Whether you have suggestions for improvement or want to share your experience, we're all ears.

Questions or Concerns:

  • If you encounter any issues or have concerns, don't hesitate to contact our customer service team. We're dedicated to resolving any problems promptly.