Plot: Eden shares the story of his first love with Jihoon; after the two of them make their stage debut, Jihoon meets someone he doesn't want to see backstage.
Cast
MillEdenMill was 24 in Bump Up Business - Season 1 - Episode 4 (Episode 4).
Birthday: Tue, Mar 30 1999
NineJihoonNine was 23 in Bump Up Business - Season 1 - Episode 4 (Episode 4).
Birthday: Mon, Dec 13 1999
YoojungJayYoojung was 26 in Bump Up Business - Season 1 - Episode 4 (Episode 4).
Birthday: Thu, May 29 1997
KBHyunbinKB was 31 in Bump Up Business - Season 1 - Episode 4 (Episode 4).
Birthday: Thu, Apr 23 1992
JunjiWoo SungJunji was 25 in Bump Up Business - Season 1 - Episode 4 (Episode 4).
Birthday: Mon, Apr 06 1998
RIEDong GunRIE was 26 in Bump Up Business - Season 1 - Episode 4 (Episode 4).
Birthday: Wed, Nov 06 1996