The South Korean boy band Infinite released the song "She's Back" in which 2010 mini-album?
She's Back (song): "She's Back" is a song released by the South Korean boy band Infinite. She's Back (song):  The song is the second single from their debut mini album "First Invasion" and it was released as a digital single on August 4, 2010. Infinite (band): Infinite (Korean: 인피니트 ; stylized as INFINITE) is a South Korean boy band formed in 2010 by Woollim Entertainment.
"First Invasion"