Get ready to feel positive with "キミがいなくちゃっ!" by ハロー、ハッピーワールド!. With a 124 BPM and 4 time signature, the rhythms flow in D major. Spanning 4 minutes and 3 seconds, "キミがいなくちゃっ!" radiates high energy from start to finish. Let the positive vibes of this track carry you away.