- IU / lee ji eun since 2015 -> twenty-three era
- DEAN since 2015 -> i'm not sorry era
- Yerin Baek since 2016 -> bye bye my blue era
- Lee Hi since 2016 -> my star era
- Kwon jin ah since 2017 -> fly away era
- Lee jin ah since 2017 -> random era
- Sam Kim since 2016 -> i am sam era
aug 17 2018 ∞
mar 23 2019 +
mar 23 2019 +