
Siblings in K-Pop
In this article, we will be discussing one of the famous siblings in the K-Pop industry, namely Seo Yu-na and Seo-yool, also known as the Seo Sisters. Actually, there are a lot of siblings in the Entertainment world, such as the famous Jung Sisters, namely Jung Soo-yeon and Jung Soo-jung, who debuted as members of two different girl groups under SM Entertainment.
The relationship of siblings among the Korean idols is pretty tight since they always support each other in their career with their respective groups. An example of this is when two brothers are in different groups and the more successful one gives support to the one who is going through a tough time. Such are the Twin Siblings or Youngmin and Kwangmin from BOYFRIEND. Sibling relationships are pretty common in the Entertainment world, including Korean idols, who inspire each other, regardless if they are in the same or different group, they support and protect each other. Well, let’s get to know the Seo Sisters.
Introducing the Seo Sisters!
In an interview, Seo-yool, or the sister of AOA’s Seo Yu-na, said that she really wants a close relationship with Yuna, just like the Jung Sisters, or Jessica and Krystal. The close relationship of the Jung Sisters has really inspired many people. They do not hesitate to support each other and protect each other. Seo-yool also said that she is the biggest fan of her own sister, which can be easily seen from the fact that her gallery is filled with photos of Yuna, “I want to be a celebrity sibling like Jessica and Krystal,” Seo-yool said.
AOA’s Seo Yu-na’s Profile

Name: Seo Yu-na
Date of Birth: December 30th, 1992
Age: 27 years old
Position: Main Vocalist, Keyboardist
Height: 163 cm
Weight: 45 kg
Blood Type: O
Zodiac: Capricorn
Agency: FNC Entertainment
Instagram: @yn_s_1230
Berry Good’s Seo-yool’s Profile

Real Name: Seo Yu-ri
Stage Name: Seo-yool or Seoyul
Date of Birth: November 26th, 1997
Age: 22 years old
Position: Main Dancer, Lead Vocalist
Height: 161 cm
Weight: 45 kg
Blood Type: O
Zodiac: Sagittarius
Agency: JTG Entertainment
Instagram: @y__s._.s__
Siblings in FNC Entertainment
FNC Entertainment shows its artists who have a brother or sister by rotating for InStyle. CNBLUE’s Jungshin, AOA’s Yuna, and N.FLYING’s Jaehyun have participated in the photo shoot.

First, Lee Jung-shin posed with his brother Lee Yong-shin. Lee Jung-shin said, “One day, I hope I have a gallery taken in collaboration with my older brother.”

Second, N.FLYING’s drummer Kim Jaehyun posed together with his older sister who is a former member of the girl group RAINBOW, Kim Jaekyung. Jaehyun showed his love for his older sister, revealing that he saved her number as Goddess in his phone contacts. He also admitted that during his middle school days, he folded 1000 paper cranes to give to Kim Jaekyung for her birthday.

Last, Yuna posed with her sister Seo-yool. Yuna also shared how much she cares for her little sister. “When Seo-yool said he was going to follow the same path as me, as a singer, I was really worried because I know how difficult this profession can be,” Yuna said.
Seo Sisters’ Moments Together

On several occasions, Seo Yuna and Seo-yool have taken photos of them together and uploaded them on their social media, which indicates that they support each other, especially when AOA makes a comeback or Berry Good makes a comeback. Their cohesiveness is very appreciated by their fans, although they belong to different groups, they still support each other’s group.

Yuna and Seo-yool have the same nose and eye shape. Both are very beautiful and extremely adorable. The two of them always capture moments together if there is a chance.

At that time, AOA and Berry Good had the same time for a comeback, Yuna provided support for Berry Good and Berry Good provided support for Yuna and AOA, and they exchanged albums.

Yuna and Seo-yool are also compact in doing selfies in the same style. They both look beautiful and charming with natural makeup. Even though Yuna is with short hair and Seo-yool is with long hair, the two of them look like twins.
Well, what do you think? Good luck to AOA and Berry Good!