長い間 何故 ふたり近づく程 心は離れ離れ 知らぬ幸せ 「もう戻れない」なんて云えない Day by day by day We're losing something Day by day by day We're fading away Day by day by day We're losing something Day by day by day Am I still your good partner? Or am I the part of hypocrites? いつか忘れた時は I'll take you back to where we used to be Am I still your desire? I'll love you over a thousand years いつか忘れた時は I'll take you back to where we used to be 愛し過ぎた果て 熱く揺らした炎 散り行く夏の花火 それで幸せ 「もう戻れない」なんて云えない Day by day by day We're losing something Day by day by day We're fading away Day by day by day We're losing something Day by day by day Am I still your good partner? Or am I the part of hypocrites? いつか忘れた時は I'll take you back to where we used to be Am I still your desire? I'll love you over a thousand years いつか忘れた時は I'll take you back to where we used to be Are we scared of getting older? 二人なら怖くないさ Are we scared of falling apart? 全て乗り越えていこうぜ Baby Are we scared of getting older? 二人なら怖くないさ Are we scared of falling apart? 全て乗り越えていこうぜ Baby