It was today at Taipei Arena as part of their "walk together" tour! Deserts Xuan, Kenji Wu, Janine (Chang), Rainie Yang and Angela Chang also attended. 

Check the pictures below, Jolin sent flowers as well:

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Wu Tsing-Fong from Sodagreen wrote Fantasy's lyrics and wrote and composed Color Photos, Spying On You Behind The Fence for MUSE.