Teddy Riley, the First Expansion In Asia is the debut extended play by South Korean girl group, Rania, released on April 6, 2011, by DR Music and Yedang Company, it is the only EP to feature member Yijo as she left the group due to visa issues.

The album's lead single, "Dr Feel Good," was composed, written, and produced by Teddy Riley, who originally made the song for Lady Gaga.

[1] Rania promoted their debut with showcases in Thailand, Cambodia, Singapore, the Philippines, Taiwan, Hong Kong, Malaysia, Indonesia, Laos, and Vietnam.

[2] Member Yijo was absent in promotions due to visa issues.

Rania's debut was met with mixed reviews in Korea, as many viewers found the group's image too provocative.