OH MY GIRL is the debut extended play by South Korean girl group OH MY GIRL. It was released by WM Entertainment on April 20, 2015 and distributed by LOEN Entertainment. The album was produced by Lee Won-min, CEO of WM Entertainment, with music produced by 72 and Moon Jeong-gyu. The album contains four songs, including the single "CUPID", which was released in conjunction with the album. OH MY GIRL promoted the album with a series of televised live performances on South Korea's music shows. "CUPID" was favorably reviewed by several music critics, ranking in the top 10 of the K-pop year-end lists of PopMatters and Idolator. The song was also named as one of the best rookie releases of 2015.