Closer is the second extended play (EP) by South Korean girl group Oh My Girl. It was released by WM Entertainment on October 8, 2015 and was distributed by LOEN Entertainment. The album contains five songs, including the single of the same name. Oh My Girl promoted the album with a series of televised live performances of "Closer" on South Korea's music shows. "Closer" was positively received by several American music critics, making the K-pop top 20 year-end lists of Billboard and Noisey.