The name of the show is Ruby Ring. It is a South Korean TV show.
First episode date: August 19, 2013
Final episode date: January 3, 2014
Number of episodes: 93
Number of seasons: 1
Lee So-yeon as the real Ruby Jung pretending to be Runa Jung (It's her feet being written on)
Im Jung-eun as the real Runa Jung pretending to be Ruby Jung (It's her foot that has the mole/beauty mark)