Many girl groups have debuted over the past few years, introducing new talent to fans but also other idols. On the radio show Wendy’s Youngstreet, TWICE‘s Sana and Jihyo revealed which new K-Pop groups they’ve been paying attention to. TWICE’s Jihyo (left) and Sana (right) | @twicetagram/Instagram When Red Velvet‘s Wendy asked them to choose which of…