The busy Hangzhou White Horse Lake International Convention and Exhibition Center, in the slightly cold November sunny early winter days, attracted the hot new COS exhibition, in order to hold this large-scale event, the organizers were busy as early as half a month ago.

Not to mention, it took a week to set up the entire venue as needed, during which it was almost 18 hours a day in three shifts, but fortunately, there were many volunteers to help and set up the exhibition

"The Witch Classmate Only I Can See" Chapter 578 COS Exhibition, Little Witch's Birthday and Marriage Proposal Under the Stars It's in the middle of the hand, please wait a moment,

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