The bubble tea chain operates 89 outlets across the country.
Gong Cha Japan announced the launch of its Earl Gray tea range in Japan, available for a limited time starting 14 December.
The range consists of their standard Earl Grey tea, which they released for a limited time in 2018; and versions that feature milk tea or their original brown sugar syrup.
The three items will be sold at all of their 89 outlets, Gong Cha added.
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