131207 Faithful Cover F - Rum Pum Pum Pum + Electric Shock @Hello! Korea By Mbk & Iteen

131207 Faithful cover f(x) - Rum Pum Pum Pum + Electric Shock @Hello! Korea by MBK & iTeen

130922 Faithful cover f(x) - Rum Pum Pum Pum @Hello! Korea by MBK & iTeen (Audition)

131207 [3/3] Q(t) cover f(x) - Electric Shock @Hello! Korea by MBK & iTeen

"Faithful" cover "Rum Pum Pum Pum" f(x) @ audition "Hello! Korea by MBK & iTeen" #22

131207 [1/3] Q(t) cover f(x) - Chocolate Love + Rum Pum Pum Pum @Hello! Korea by MBK & iTeen

130922 Fossil cover f(x) - Rum Pum Pum Pum @Hello! Korea by MBK & iTeen (Audition)

130907 Starlitz cover f(x) - Electric Shock + Rum Pum Pum Pum @2013 K-POP COVER DANCE FESTIVAL

130630 Function cover f(x) - Electric Shock @Hello! Korea by MBK & iTeen (Audition)

f(x) Cover Dance_Electric Shock_첫 사랑니(Rum Pum Pum Pum) by inf(x)ious

130922 Miss Me cover f(x) - Rum Pum Pum Pum @Hello! Korea by MBK & iTeen (Audition)

F(x) - Electric Shock & Rum Pum Pum Pum (cover by StarLiTz)

F(x)(에프엑스) Rum Pum Pum Pum(첫 사랑니) - dance cover

130920 Ariel cover f(x) - Hot Summer + Electric Shock @Hello! Korea by MBK & iTeen (Audition)

f(x) 에프엑스 '첫 사랑니 (Rum Pum Pum Pum)' MV

[cover] f(x) - Rum Pum Pum Pum (Korean high school girls)

[ONE SHOT-KPOP IN PUBLIC PARIS] f(x) (에프엑스)-Rum Pum Pum Pum(첫 사랑니) Dance cover [Valentine's Project]

BRKZ

13012019 Rum Pum Pum Pum + Electric Shock by Mystique dance cover f(x)

SuperHeroesInTraining