▁Imperial ▁House hold ▁Agency ▁Hospital ▁in ▁Tokyo ▁Imperial ▁Palace , ▁Chi y oda , ▁Tokyo . ▁In ▁April ▁ 2 0 0 1 , ▁Princess ▁K ako ▁began ▁G ak ush u in ▁Primary ▁School ▁and ▁graduated ▁in ▁March ▁ 2 0 0 7 . ▁Princess ▁K ako ▁entered ▁G ak ush u in ▁Girls ' ▁Senior ▁High ▁School ▁Tokyo ▁in ▁April ▁ 2 0 0 7 ▁and ▁graduated ▁in ▁March ▁ 2 0 1 3 . ▁▁ ▁From ▁ 7 ▁to ▁ 2 1 ▁August ▁ 2 0 0 3 , ▁K ako ▁went ▁to ▁Th ailand ▁with ▁her ▁parents ▁and ▁sister ▁for ▁the ▁ 7 1 st ▁birth day ▁celebr ation ▁of ▁Queen ▁Si rik it ▁and ▁for ▁confer ment ▁of ▁an ▁honor ary ▁fellow ship ▁from ▁U bon ▁R atch ath ani ▁University , ▁and ▁for ▁joint ▁research ▁on ▁p oul try . ▁ ▁She ▁has ▁an ▁older ▁sister , ▁Princess ▁M ako , ▁and ▁a ▁younger ▁brother , ▁Prince ▁His ah ito . ▁ ▁K ako ▁participated ▁in ▁figure ▁sk ating ▁while ▁in ▁primary ▁school . ▁In ▁ 2 0 0 7 , ▁she ▁represented ▁the ▁Me iji - j ingu ▁Ga ien ▁Figure ▁Sk ating ▁Club ▁and ▁joined ▁the ▁Spring ▁Cup ▁Figure ▁Sk ating ▁Compet ition ▁held ▁by ▁the ▁Japan ▁Sk ating ▁Federation . ▁Princess ▁K ako ▁ranked ▁top ▁in ▁the ▁Shin ju ku ▁division ▁( F em ale ▁Group ▁B ▁- ▁Primary ▁School ▁Year ▁Six ▁or ▁above ). ▁ ▁In ▁April ▁ 2 0 1 3 ,