Alone is the debut extended play by South Korean girl group Sistar.

The EP peaked at number 3 on the Gaon Album Chart and sold over 17,802 physical copies as of 2012.

"I Choose to Love You", a solo song by Sistar member Hyolyn, was digitally released on January 19, 2012, as part of the soundtrack for Sarangeul Boda 2 (사랑을 보다2).

The video starts off with the four members against a black backdrop and red metal rods built into structures.

[5] On June 28, 2012, a remix of "Alone" by DJ Smells was released on Sistar's extended play Loving U.

[12][13][14] "Alone" placed at number 3 on the Gaon Digital Chart for the year 2012 with 3,203,685 downloads sold and 36,092,888 streams.