dri ven ▁rock ▁similar ▁to ▁the ▁P ix ies , ▁Son ic ▁Youth , ▁and ▁H ü sk er ▁D ü . ▁ ▁Over ▁the ▁course ▁of ▁seven ▁years ▁their ▁sound ▁evol ved ▁greatly , ▁serving ▁as ▁a ▁basis ▁for ▁Mu ka i ' s ▁post - Number ▁Girl ▁project , ▁Z az en ▁Boys . ▁ ▁In ▁February ▁ 2 0 1 9 , ▁it ▁was ▁announced ▁that ▁the ▁band ▁would ▁be ▁re unit ing ▁to ▁perform ▁at ▁R ising ▁Sun ▁Rock ▁Festival ▁ 2 0 1 9 ▁in ▁E zo . ▁Although ▁the ▁first ▁day ▁of ▁the ▁festival ▁was ▁cancel led ▁and ▁Number ▁Girl ▁did ▁not ▁perform , ▁they ▁had ▁already ▁announced ▁a ▁four - date ▁Japanese ▁tour ▁by ▁this ▁time , ▁beginning ▁at ▁H ib i ya ▁Open - A ir ▁Con cert ▁Hall ▁on ▁August ▁ 1 8 . ▁The ▁day ▁after ▁the ▁H ib i ya ▁concert , ▁they ▁announced ▁a ▁further ▁twelve ▁Japanese ▁tour ▁dates , ▁set ▁to ▁span ▁over ▁December ▁ 2 0 1 9 ▁to ▁February ▁ 2 0 2 0 . ▁ ▁History ▁▁ 1 9 9 5 – 1 9 9 8 : ▁Form ation ▁Number ▁Girl ▁was ▁formed ▁in ▁August ▁ 1 9 9 5 , ▁when ▁Sh ut oku ▁Mu ka i ▁decided ▁to ▁form ▁a ▁band ▁to ▁play ▁at ▁a ▁local ▁event . ▁A ▁solo ▁artist ▁at ▁the ▁time , ▁Mu ka i ▁was ▁briefly ▁involved ▁in ▁one ▁band ▁called ▁" Number ▁Five ". ▁Learning ▁that ▁his ▁new ▁members ▁were