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1991.6.28thisdayisaholyday，Becauseafairywasbornonthatday，sheistheyoungestofGirls'Generation，OurlovelysisterSeoHyun.
Inthesummerof2007，youformedagroupwitheighthighschoolgirlsandmadeadebut.
Atthattime，everyonewasenjoyingahappycollegelife，butyouandtheothereightgirlsstayintheexerciseroomeveryday，soastostandonthestageandshowtheperfectfacetothefans.
In2008，youexperiencedthefirstblackseaevent;In2009，youwentthroughthreeBlackSeas，againstsomanypeople，butyou'restillwiththeothereightgirlsdecidedtoconfrontit，andstrivetoovercome.Throughthethreeblackseaevents，Onlytoday'sGirls'Generation，willhavetoday'sSeoHyun.
EverymomentIwan
徐珠贤生日快乐(1/2)