Submit a Ticket
Fields marked * are mandatory. Use this form for order changes, tracking issues, replacement/refund requests, product questions, payment questions, or general Koishine support. For the fastest help, include your order ID. If you have not placed an order yet, enter NA.
Before opening a ticket: check Help Center, Track Order, Shipping Policy, and Refund Policy. Koishine returns are available within 30 days from delivery for eligible orders; approved returns include free return shipping and refund processing within 7 days after inspection.
Support time: Mon-Sat 9AM-5PM. Koishine support replies through the email address submitted in the ticket.