There is no definitive leader of this group of nomads, but they tend to follow Shin SooHyun, for whatever reason.
KiSeop
KiSeop is quiet and generally very reserved. He lives for SooHyun, even if the older man has no goal.
SooHyun
After his home was destroyed in a fire, SooHyun wanders with no destination. People generally flock to him, thogh he doesn't know why.
ChunJi
He became to old for the orphanage, so he wanders the streets with SooHyun. He often becomes depressed because he doesn't think anyone would love someone like him.
MinHo
MinHo is determined to bring down Sherlock as revenge for the destruction of his home. He's gentle, however, and nobody takes him seriously.
HyungJun
HyungJun's younger brother, KiBum, got himself caught up with NU'EAST, and HyungJun is determined to het him back. The only issue: He's not sure how.