'Dream Sea Video Collection' #TheYouthMemoriesFullCastExposé# The seemingly harmonious Dream Sea subgroup reveals a lot without holding back! #TheYouthMemoriesBehindTheScenes# With the 'Social Butterfly' title, Xiao Chunsheng @X玖少年团肖战DAYTOY, the chatterbox Tong Xiaomei @李沁, the lively and adorable Ye Guohua @刘芮麟Wayne, the laugh-out-loud He Hongling @曹斐然, and the athletically challenged Guo Heizi @尤宪超, everyone's true personality has been accurately captured by the sea~ #TheYouthMemories#