Oh, my sister Nothing can come between us Sometimes we fight, but always make it right Oh, my sister You're my best friend and soldier For you I'd give my life Black bird いつも自由に飛びまわる my little sister 人一倍 幸せになりたくて struggle with everything Oh, my sister そんな君を いつも見守ってるよ Keep flying never don't stop And keep rising to the top, together I promise, protect you Cause you are my sister Whenever you need, you can call on me Cause you are my sister Cause you are my sister baby Oh, my sister Nothing can come between us Sometimes we fight, but always make it right Oh, my sister You're my best friend and soldier For you I'd give my life We are blood sister この体内に流れる 真赤な血、細胞うめつくす兄弟の証 照りつける太陽も 草木しげる地上も 砂上と化す 波うちぎわの岩より かたいきづな 打たれてもかけない この魂は Hard as rock When your life is hard for you I will always be there for you We will stay here forever We sing this song together We will stay here forever We sing this song together Cause you are my sister Oh, my sister Nothing can come between us Sometimes we fight, but always make it right Oh, my sister You're my best friend and soldier For you I'd give my life more than words 大切な何かを見つけるため 手さぐりで歩いてる this is how we are Oh, my sister 飛び立つ いつか その時のために We sing forever We sing forever I promise, protect you Cause you are my sister Whenever you need, you can call on me Cause you are my sister Cause you are my sister baby Oh, my sister Nothing can come between us Sometimes we fight, but always make it right Oh, my sister You're my best friend and soldier For you I'd give my life Oh, my sister Nothing can come between us Sometimes we fight, but always make it right Oh, my sister You're my best friend and soldier For you I'd give my life Oh, my sister Nothing can come between us Sometimes we fight, but always make it right Oh, my sister You're my best friend and soldier For you I'd give my life Oh, my sister Nothing can come between us Sometimes we fight, but always make it right Oh, my sister You're my best friend and soldier For you I'd give my life