On the marketing effect of TVXQ on Jeju Air- even tho they only had Jpn-route in-flight limited goods, these were sold out on the first day of sales; sales of tickets also were high because people were booking Jeju Air in order to get their related goods.
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Credits:
MTN via @UltraTVXQ,
Translated by @snxy,
Shared by TVXQ! Express
TVXQ! Express 