Question: The South Korean boy band Infinite released the song "She's Back" in which 2010 mini-album?

Context paragraphs:
She's Back (song): "She's Back" is a song released by the South Korean boy band Infinite.  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.  The song was later re-recorded in Japanese and will be used as the group's third Japanese single, released in August 29, 2012.

Lee Sung-yeol: Lee Sung-yeol, (Hangul: 이성열 ; Hanja: 李成烈 ; born August 27, 1991), known mononymously as Sungyeol, is a South Korean singer and actor.  He is a member of the South Korean boy band Infinite and its sub-group Infinite F.

Kim Sung-kyu: Kim Sung-kyu (born April 28, 1989), referred to as Sunggyu or Sungkyu, is a South Korean singer and actor.  He is the leader and main vocalist of South Korean boy band Infinite.

Season 2 (Infinite album): Season 2 is the second Korean studio album (third overall) by the South Korean boy band Infinite.  It was released on May 21, 2014 by Woollim Entertainment.  The album features thirteen tracks with "Last Romeo" serving as the title track.  A repackage of the album titled "Be Back", was released on July 22, 2014.

BTD (Before the Dawn): "BTD (Before the Dawn)" is a song released by the South Korean boy band Infinite.  The song is the second track of the group's second EP "Evolution", released on January 6, 2011.  A Japanese version of the song served as their debut single in Japan.  It was released on November 19, 2011 in 3 different editions.

First Invasion: "First Invasion" is the debut extended play by the South Korean boy band Infinite.  It was released on June 9, 2010.  They promoted the main single of the EP "Come Back Again" and followed with "She's Back".

Infinite (band): Infinite (Korean: 인피니트 ; stylized as INFINITE) is a South Korean boy band formed in 2010 by Woollim Entertainment.  The group is composed of six members: Sungkyu, Dongwoo, Woohyun, Sungyeol, L, and Sungjong.  Originally a seven-piece group (with Hoya, who later departed from the group in August 2017), Infinite debuted in 2010 with their mini album "First Invasion".  Their first full album, "Over The Top", was released in July 2011.  Their mini-album "New Challenge", released in March 2013, sold over 160,000 copies in South Korea alone and was one of the best-selling albums of 2013.  Their second full album, "Season 2", was released in May 2014.

Inspirit: Inspirit is the first single album of South Korean boy band Infinite.  The album was released on March 17, 2011, along with the music video for the album's title track "Nothing's Over".  Infinite followed up the promotions of "Nothing's Over" with a broadcasting version of their song "Can U Smile (Remake)".

Lee Sung-jong: Lee Sung-jong (Hangul: 이성종; hanja: 李成種; born September 3, 1993), commonly known as Sungjong, is a South Korean singer.  He is the vocalist of the South Korean boy band Infinite under Woollim Entertainment.  He is also the vocalist of Infinite F.

Evolution (Infinite EP): "Evolution" is the second EP by the South Korean boy band Infinite.  The song "BTD (Before the Dawn)" was used to promote the EP.  They released the song "Voice of My Heart" on December 29, 2010 as a teaser, and the full EP was released a week after, on January 6, 2011.

Supporting paragraphs: She's Back (song) Infinite (band)
Answer: "First Invasion"