Happy Moment is the first studio album by South Korean girl group WJSN. The album was released digitally and physically on June 7, 2017 by Starship Entertainment and distributed by LOEN Entertainment. It contains ten songs, including the promoted single "Happy". For the first time since debut, there is no Chinese version of the lead single available on this album, this is the first surprise album just after four months after the release of From. WJSN.