1. Girl’s Day
Before: Kyawooddung (2010) with cute concept
After: Expect (2013) with sexy concept and addition of new members, Hyeri and Yura.
2. Wonder Girls
Before: So Hot (2010) with cute concept.
After: Why So Lonely (2016) with girl crush concept.
3. CLC
Before: Pepe (2015) with cute concept.
After: Goblin (2017) with girl crush concept.
4. SISTAR
Before: Push Push (2010) with “cutie-sexy” concept.
After: Alone (2012) with full-sexy concept.
5. GFriend
Before: Rough (2010) with cute concept.
After: FINGERTIP (2017) with girl crush concept.
6. AOA
Before: Elvis (2012) with rock band + dance concept
After: Miniskirt (2016) with sexy concept
Source: MBC Archive
