Sunny Girls (Korean: 써니걸스) was a special project girl group formed for Inkigayo "Music Crush" project. It was a five member group made of Oh My Girl's Yoo-A, Gugudan's Nayoung, GFriend's Eunha, WJSN's Cheng Xiao (Seong So) and Momoland's Nancy. Yoo-a was the main dancer, lead rapper and lead vocalist, Nayoung was the main rapper, lead dancer and vocalist, Eunha was the main vocalist, Cheng Xiao was the main dancer and vocalist and Nancy was lead vocalist, visual and maknae. They released one collaborative digital single, "Inkigayo Music Crush Part.2" otherwise known as 'Mr Taxi', on November 27, 2016 and subsequently disbanded after the project ended.
Korean: 유아
Japanese: ヨア
Korean: 나영
Japanese: ナヨン
Korean: 은하
Japanese: ウナ
Korean: 성소
Japanese: 鄭暁
Korean: 낸시
Japanese: ナンシー