▁was ▁a ▁re - rec ording ▁of ▁Mr . ▁Children ' s ▁ 2 0 0 3 ▁song ▁" K ur umi ", ▁used ▁as ▁a ▁theme ▁song ▁in ▁the ▁movie ▁. ▁▁▁ 2 0 0 7 ▁ ▁On ▁January ▁ 2 4 , ▁ 2 0 0 7 , ▁the ▁band ▁released ▁their ▁ 3 0 th ▁single , ▁, ▁which ▁was ▁used ▁as ▁the ▁theme ▁song ▁for ▁the ▁movie ▁, ▁and ▁while ▁only ▁a ▁limited ▁edition ▁single , ▁brought ▁the ▁group ▁to ▁ 2 6 ▁consecutive ▁No .   1 ▁singles . ▁Short ly ▁after , ▁the ▁ 1 3 th ▁original ▁album , ▁Home , ▁was ▁released ▁on ▁March ▁ 1 4 , ▁which ▁would ▁become ▁the ▁group ' s ▁first ▁in ▁almost ▁ 1 3 ▁years ▁to ▁chart ▁at ▁No .   1 ▁for ▁two ▁consecutive ▁weeks . ▁It ▁was ▁also ▁the ▁first ▁Japanese ▁album ▁in ▁ 2 0 0 7 ▁to ▁sell ▁more ▁than ▁a ▁million ▁copies . ▁Work ▁on ▁the ▁record ▁had ▁come ▁to ▁a ▁stand st ill , ▁during ▁the ▁recording ▁of ▁the ▁song ▁" H ou k ib oshi ", ▁due ▁to ▁a ▁dispute ▁among ▁the ▁group ▁over ▁" Home " ' s ▁direction . ▁Produ cer ▁Kob ay ashi ▁suggested ▁to ▁make ▁an ▁album ▁that ▁" p ays ▁attention ▁to ▁the ▁world ▁with ▁a ▁message ". ▁ ▁The ▁album ▁reflected ▁a ▁more ▁personal ▁touch ▁from ▁the ▁group , ▁with ▁ ▁talking ▁about ▁the ▁ 9 / 1 1 ▁attacks ▁at ▁New ▁York ▁City ,