yosob = used to sing in groups and has become a popular solo singer, always working, sweet, romantic

iu = a popular solo singer, cute, fun, fans

Ji Eun song = iu close friends, solo singers,

bang yongGuk = yoseob close friends, the famous rapper

 

yoseob company ceo=kang jung soo

 

iu company ceo=jung ji soo

 

g.na; yoseob's froend,a caring person

 

beast=former group yoseob,a caring friend,like to help each other