How do I apply for a refund of insurance premiums?

For both overseas travel insurance and travel cancellation insurance, please contact the Chubb insurance listed below.
[Departure and arrival in Japan]
Overseas Travel Insurance: https://ssp.chubbtravelinsurance.com/ctijp
Travel Cancellation Insurance: https://ssp.chubbtravelinsurance.com/ctijp
[Departure and arrival in Thailand]
https://ssp.chubbtravelinsurance.com/zipairth