Often I'll post pictures of four-member girl groups and claim that it's BLANC but to break the confusuin this is which group members is meant to represent which BLANC member.

MAMAMOO
Solar | Chulsoo
Moonbyul | Aimee
Wheein | Yoon
Whasa | Dani

SECRET
Hyosung | Chulsoo
Hana | Aimee
Sunhwa | Yoon
Jieun | Dani

Girl's Day
Sojin | Chulsoo
Minah | Dani
Hyeri | Yoon
Yura | Aimee
[ i know that chulsoo's face-claim is hyeri however sojin is the lead vocalist of the group hence all of sojin's parts go to hyeri but in m/v and other appearances chulsoo will be hyeri and yoon will be sojin]

MISS A
Fei | Chulsoo
Jia | Aimee
Suzy | Dani
Min | Yoon

1PS
Yoonseo | Dani
Jieun | Yoon
Saeha | Chulsoo
Yena | Aimee

2NE1
CL |  Aimee
Dara | Chulsoo
Bom | Dani
Minzy |  Yoon

BESTIE
U-JI | Dani
Haeryoung | Yoon
Dahye |  Aimee
Hyeyeon | Chulsoo

4TEN
TEM | Aimee
Hyeji | Dani
Eunjin | Yoon
Hyejin | Chulsoo

CHOCOLAT
Melanie | Dani
Tia | Yoon
Juliane | Aimee
Min Soa | Chulsoo