I've been playing with my best friend's sister for a long time.

りょう - I've been playing with my best friend's sister for a long time.

親友の妹とは昔から一緒に遊んでたけど 今はもう同じ遊び方じゃない 成長って、こんなに距離を狂わせるんだな I've been playing with my best friend's sister for a long time. It's not the same way of playing anymore. Growing up can mess up distance so much.