▁Say ! ▁J U MP , ▁and ▁Johnny ' s ▁Jr . ▁Y uma ▁Nak ay ama ▁in ▁ 2 0 1 0 . ▁Before ▁that , ▁seven - members ▁unit ▁NY C ▁Boys ▁( st yl ized ▁NY C ▁boys ) ▁was ▁formed ▁on ▁June ▁ 7 , ▁ 2 0 0 9 , ▁to ▁promote ▁the ▁F IV B ▁World ▁Grand ▁Prix ▁ 2 0 0 9 , ▁an ▁event ▁that ▁began ▁on ▁July ▁ 3 1 ▁and ▁ended ▁on ▁August ▁ 2 3 , ▁ 2 0 0 9 . ▁They ▁performed ▁the ▁theme ▁song ▁" N Y C " ▁in ▁Tokyo ▁and ▁Os aka ▁before ▁each ▁game . ▁ ▁History ▁On ▁June ▁ 7 , ▁ 2 0 0 9 , ▁at ▁the ▁concert ▁" For um ▁Sh ink iro ku !! ▁Johnny ' s ▁Jr . ▁ 1 ▁Day ▁ 4 ▁Perform ances ▁Y aru zo ! ", ▁it ▁was ▁announced ▁that ▁Ry os u ke ▁Yam ada ▁and ▁Y uri ▁Ch inen ▁of ▁Hey ! ▁Say ! ▁J U MP ▁would ▁join ▁Y uma ▁Nak ay ama ▁w / B . I . Sh adow ▁to ▁form ▁NY C ▁Boys . ▁On ▁July ▁ 1 5 , ▁ 2 0 0 9 , ▁their ▁first ▁single ▁" N Y C / A k uma ▁na ▁K oi ", ▁" N Y C " ▁being ▁the ▁theme ▁song ▁for ▁the ▁F IV B ▁World ▁Grand ▁Prix ▁ 2 0 0 9 , ▁was ▁released . ▁During ▁the ▁announ