Shim Eun-jin (Korean: 심은진 ; born February 6, 1981) is a South Korean singer and actress.
 She was a former member of 1990s girl group Baby V.O.X.
Seo Ji-young (born June 2, 1981) is a South Korean singer and a former member of pop group S#arp.
 The group released six albums before their breakup in 2002, attributed to the feud between Seo and fellow female member Lee Ji-hye.
 Seo Ji-young bullied fellow member Lee Ji-hye until the company was forced to disband S#arp.
Scholar Who Walks the Night () is a 2015 South Korean television series based on the manhwa of the same name written by Jo Joo-hee and illustrated by Han Seung-hee.
 Starring Lee Joon-gi, Shim Chang-min, Lee Soo-hyuk, Lee Yu-bi and Kim So-eun, it aired on MBC from July 8 to September 10, 2015 on Wednesdays and Thursdays at 21:55 for 20 episodes.
Sharp (stylized as S♯arp) was a South Korean pop music vocal group in the late 1990s and early 2000s.
 The group consisted of Chris Kim, Jang Seok-hyun, Seo Ji-young and Lee Ji-hye.
 A male original member, John Kim (UPTOWN, Slow-Jam) quit the group after the first album.
 They released five albums before breaking up.
 Their last album was "S♯arp Vol.
 5 - StYlE."
Lee Eun-Jin (Korean: 이은진 , born March 17, 1979), better known by her stage name Yangpa (Korean: 양파 , meaning "onion"), is a South Korean singer.
 She studied at Berklee College of Music in Boston, Massachusetts.
Perfect Number (; lit.
 Suspect X) is a 2012 South Korean mystery-drama film directed by Bang Eun-jin.
 Adapted from Keigo Higashino's novel "The Devotion of Suspect X", it centers around a mild-mannered mathematics teacher (Ryoo Seung-bum) who plans the perfect alibi for the woman he secretly loves (Lee Yo-won) when she unexpectedly murders her abusive ex-husband.
 Cho Jin-woong received a Best Supporting Actor nomination at the 49th Baeksang Arts Awards in 2013.
Han Ji-hye (born Lee Ji-hye on June 29, 1984) is a South Korean actress.
Hotel King () is a 2014 South Korean television series starring Lee Dong-wook, Lee Da-hae, Im Seulong, Wang Ji-hye, Lee Deok-hwa and Kim Hae-sook.
 It aired on MBC from April 5 to July 27, 2014 on Saturdays and Sundays at 21:45 for 32 episodes.
Lee Ji-hye (born January 11, 1980) is a South Korean singer and actress.
 She was former member of pop group S#arp.
 The group released six albums before their breakup in 2002, attributed to the feud between Lee and fellow female member Seo Ji-young.
 As a solo artist, she has released several singles.
 She was a former cast member in the variety show "Infinite Girls Season 2".
She has been married on September 18, 2017.
Pots of Gold (; lit.
 I Summon You, Gold!
 or Gold, Appear!)
 is a 2013 South Korean television series starring Han Ji-hye, Yeon Jung-hoon, Lee Tae-sung, Lee Soo-kyung, Baek Jin-hee, Park Seo-joon and Kim Hyung-jun.
 It aired on MBC from April 6 to September 22, 2013 on Saturdays and Sundays at 20:40 for 50 episodes.

Question: Were Lee Ji-hye and Shim Eun-jin in the same band?
Answer: no