#5 Kim Jae-kyung & N.Flying’s Jaehyun
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Jae-kyung is a Rainbow member and her younger brother is a member of N.Flying. Jae-kyung was first debuted when her brother, Jaehyun, was still a trainee. When she was finally debuted, her brother become more respectful of her. They often spend time together with their family and there are some photos capturing a special event with their mother.
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#6 Han Sun-hwa & Victon’s Seungwoo
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Han Sun Hwa is a former member of Secret who has now become an artist, and her brother, Seungwoo ,was participant in Produce X 101 and has now become a member of Victon, under the label Plan A Entertainment, in 2016. Han Sun hwa is always supportive to her brother in his entertainment journey. She uploaded a photo in her social media and wrote in the caption, “You did well, younger brother. Both of you, good job. Byung Chan, Seung Woo.”
#7 Ryu Hwa-young & Ryu Hyo-young
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Hwa-young is a former member of T-Ara and her twin, Hyo-young, is former Coed School and, later, and ex-member of F-ve Dolls under MBK Entertainment. Ryu Hyo-young was the oldest. Hyo-young was supposed to debut with her twin sister in T-ara but she was cut before debut and joined Coed School, instead. They were both involved in bullying scandals with Han Areum, a T-ara member, at the time.
#8 Crayon Pop’s Choa & Way
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Way and Choa was former members of Crayon Pop, under Chrome Entertainment. The twin sisters are ex-members of a girl band who has electro pop and disco pop music styles, with an unusual dance style and catchy tunes. One of their popular songs was Bar Bar Bar. The sisters have become YouTubers and sharing their twin activity now. Recently, Way revealed her experience of being K-pop Idol on the YouTube channel Asian Boss.
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#9 Girl’s Day’s Minah & Wanna.B’s Lina
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Lina from Wanna B is elder sister to Minah from Girl’s Day. They were guests on the Happy Together 3 episode that was a sister’s special on August 27, 2017. While they were on the show, they were sharing their funny experiences together as sisters. Once, Lina was performing in I Can See Your Voice 4, where she sang “Something” by Girl’s Day. Eventually, Minah was there as a guest appearance to perform the song with her.
#10 Zico & Taewoon
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Zico from Block B and his brother, Taewoon from Speed, were invited to Happy Together 3 with the topic sister’s special. These K-pop idol siblings from the hip-hop genre both shared their naughtiness as brothers.