우주소녀) is the third extended play by South Korean-Chinese girl group WJSN.

The EP was a commercial success, reaching number 4 on the Gaon Album Chart.

WJSN was released on January 4, 2017, at midnight KST though several music portals, including Melon in South Korea.

[1] In order to promote the EP, the group performed "I Wish" on several music programs.

[3] But in its fifth week, it rose to number four, their highest placement since their debut.