Group Members

Sio (FIFTY FIFTY) Profile, Bio, and Facts


Sio (시오) is a South Korean singer. She is a former member of the Kpop girl group FIFTY FIFTY.

Sio (FIFTY FIFTY) Profile

Stage NameSio (시오)
Birth NameJeong Jiho (정지호)
BirthdayOctober 6, 2004
Active Years2022–present
Age19 (in 2024)
Zodiac SignLibra
Height165 cm (5’5″)
Weight45 kg (99 lbs)
Blood TypeAB

Sio (FIFTY FIFTY) Facts:

Early Life

– Sio was born in Iksan, Jeollabuk-do, South Korea.
– She graduated from Iri Yeongdeung Middle School.
– She dropped out of Wonkwang Information Arts High School (Department of Music).

Personal Life

– Sio wanted to become an idol after watching ITZY perform on stage.
– Growing up, she listened to 2NE1’s music and got inspired by them. (HelloKpop)
– If she wasn’t an idol, she would like to pursue a career as an author.
– Saena and Keena voted her as the one who would have the highest chance of surviving a zombie apocalypse. (pop crave)
– She doesn’t feel that cooking is therapeutic.
– Her Chinese Zodiac sign is the Monkey.
– She dedicates the song ‘Loving Me’ by Janine Foster to the fans of her own age. (Femina India)
– She revealed that she felt like an artist when her grandmother told her that while she was waiting at the bus stop, she saw middle school girls watching FIFTY FIFTY’s MV on their phones.
– She values her private time a lot.
– In a scenario where she could cheat on her boyfriend or get cheated on, she would rather cheat on him. (TMI SPO Interview)
– Her main hobby is reading books. (tvN Asia)
– She thinks Keena‘s biggest charm is her cat-like face and her charismatic voice.
– She gets inspiration to write songs by reading a book or going to exhibitions.
– When she first met the members she thought that Keena was very charismatic, Seana was very cute in her white shirt and blue jeans, and Aran was quiet in her own world. (POPS Thailand
– If she could possess 50% of another member, it would be Saena, as she wants to be more responsible like her and appreciates her leadership qualities.  (Pinkvilla Hallyutalk)
– She often watches Innah Bee’s videos and was impressed when she danced to her rap part.
– As a trainee, she was asked to rap. She was told to copy Eminem’s rap in the song “Godzilla”. (MBC MBIC News)
– During her teenage years, she struggled with drawing eyebrows and wishes she could go back in time to teach herself how to do it better.
– She would become a member of the group LE SSERAFIM as she is a big fan of theirs if she could be a singer of another group.
– She has had a passion for singing since a young age and became an idol to spread positive influence to the world.
– If the members except for her will turn into cockroaches, she will take care of them and will try not to kill them. (WARNER MUSIC)
– If she could travel around the world, she would want to visit California.
– Her motto is “Think about 50 won”.
Aran said that she found her stunning and admired her tall stature and good body ratio when they first met.
– The song that represents her mind is “Higher” because she wants to go higher and accomplish more with the fans.  (India Today)
– She has a resemblance to actors like Lee Yoo-jin, Choi Ye-bin, Lee Joo-myung, and Jeon Hye-bin.
– She has been listening to Sufjan Stevens music since the age of 15.
– Sio finds a cute and sweet concept more exciting than a fierce and sexy one.


– Sio was the main vocalist and lead dancer in “FIFTY FIFTY”.
– She was trained for 3 and a half years before debuting in FIFTY FIFTY. (Star News interview)
– On October 23, 2023, Sio’s exclusive contract with ATTRAKT was terminated and she left the group.

Likes & Dislikes

– She loves to read books like novels, sci-fi, and poetry. (Mashable)
– She likes writing in a journal.
– She loves Saena’s rap section in their song “Higher”.
– Her go-to karaoke song is “25 21” by Childish.
– Her first favorite K-pop artist was BTS. (FOX 13 Seattle)
– She enjoys watching lunch box packing videos where the creator talks and gives advice. She also likes watching anime.
– She loves playing the electric guitar.

– Her favorite writer is Jin Young Choi. (Rolling Stone India)
– Her favorite singers include Sam Smith, Sufjan Stevens and Thornapple.
– She loves imagining a lot.

Food Preferences

– Her favorite cheat food is Jjimdak(steamed chicken). (E NOW)
– She likes eating scrambled eggs.
– She doesn’t like eggplants.
– Her favorite food is bean sprout rice soup. (tvNMeet)


– She had the best memory in the group and can recall small details from the past.
– She could sing the highest note in the group. (E NOW)
– In all of the subjects, she was good at history at school.
– She is skilled in imitating Jjanggu’s voice.
– Her body is very flexible.
– She has the ability to read a book and watch a movie simultaneously.

Personality & Habits

– Sio loves to spend alone time reading books and watching movies when she is feeling depressed. (Femina India)
– She always wanted to express herself freely and become a singer to express herself through music and dance.
– The other members of the group think Sio has a very stylish, eccentric charm. (NME)
– She leans towards a city boy clothing style and enjoys wearing items like beanies.
– If Sio were to be described in two words, it would be “cool” and “gray girl.”
– She is an early bird. (BuzzFeed Celeb)

Streaming Platform Links

Genie | Bugs | Melon

NOTE: If you know more facts about Sio (FIFTY FIFTY), feel free to submit them in the comments section! All submissions will be greatly appreciated!

Concept Film:


Lilian Chen

Yo! I'm Lilian, an Ahgase and a curious wordsmith on a never-ending quest for knowledge. Don't hesitate to spot any slip-ups in my work and feel free to reach out with additional facts & insights! ^^