Solji is Hyerin's guardian?

GIF photos of the girl group EXID's member Solji and Hyerin at their mini fan meeting
are appeared in Korean online communities and attracting the internet users.

People saw Solji dusting Hyerin's costume off in those photos and left comments such as
"a young mom and her child? lol", "What are they doing in front of the fans? lol",
"mother and daughter of EXID, so cute!", and so on.

▲Image Source: Online Community