HomeStatisticsDancerSemi (Cignature) Height, Weight, Age, Body Statistics

Semi (Cignature) Height, Weight, Age, Body Statistics

Semi Quick Info
Height 5 ft 5 in
Weight 46 kg
Date of Birth April 10, 2002
Zodiac Sign Aries
Eye Color Dark Brown

Semi is a South Korean singer, musician, dancer, and performer who has gained popularity as a member of the girl group Cignature. Formed by C9 Entertainment, the group debuted on February 4, 2020, with the debut single Nun Nu Nan Na. Cignature‘s discography also consists of various extended plays and tracks such as My Diary, My Little Aurora, Boyfriend, Listen and SpeakClimax, Villain, Dear Diary MomentArisong, Assa, Sirius, I’m Okay, and Aurora.

Born Name

Gu Se-mi

Nick Names

Semi, Goosaengsi

Semi as seen while pouting for a picture in March 2023
Semi as seen while pouting for a picture in March 2023 (Cignature / Instagram)

Sun Sign


Born Place

Bupyeong-gu, Incheon, South Korea


South Korean



Semi attended Joy Dance Academy.


Singer, Musician, Dancer, Performer


  • Siblings – She is an only child.


Semi has been signed with –

  • J9 Entertainment
  • C9 Entertainment






J9 Entertainemt, C9 Entertainment



Semi in an Instagram post in March 2023
Semi in an Instagram post in March 2023 (Cignature / Instagram)


5 ft 5 in or 165 cm


46 kg or 101.5 lbs

Race / Ethnicity


Semi is of Korean descent.

Hair Color

Dark Brown

Eye Color

Dark Brown

Sexual Orientation


Distinctive Features

Pouty lips

Semi as seen while smiling for a picture in March 2023
Semi as seen while smiling for a picture in March 2023 (Cignature / Instagram)

Semi Favorite Things

  • Nickname – Goosaengsi
  • Colors – Blue, Sky Blue
  • Season – Autumn
  • Subjects At School – Korean, English
  • Emoji – Blue heart emoji
  • Snack – Chocolate


Semi Facts

  1. She previously trained under JYP Entertainment.
  2. Ever since she was a child, Semi wanted to be a celebrity.
  3. On November 11, 2019, she was revealed as Cignature‘s 2nd member.
  4. Semi’s Cignature groupmates include Jeewon, Chaesol, Seline, Chloe, Belle, and Dohee.
  5. Cignature released its debut extended play titled Listen and Speak on September 22, 2020, and its tracklist included Nun Nu Nan NaDaldalhaeAssaHingHing, and Arisong. The EP peaked at #21 on the Gaon Album Chart.
  6. The girl group Cignature released its 2nd EP Dear Diary Moment on November 30, 2021, and it peaked at #22 on the Gaon Album Chart.
  7. On January 17, 2023, Cignature released its 3rd extended play titled My Little Aurora and it peaked at #18 on the Gaon Album Chart. It consists of songs – I’m Okay, Parade, Palace, and Aurora.
  8. Semi refers to herself as “lovely kitty Semi”.
  9. Her eyes are her focal point.
  10. She always carries lip balm, a water bottle, and wet wipes in her bag.
  11. She prefers comfortable styles and black clothes.
  12. If she got the opportunity to go on a dream island, Semi would bring with her her closest ones, snacks, and a first-aid kit.
  13. The fact that she has a small mouth which does not allow her to put a lot of food into her mouth makes her sad.
  14. She likes bright lipsticks and moisturizing lip products.
  15. Semi does not use emojis a lot.
  16. One of her special skills is eating and she loves eating food, especially meat, ice cream, and hamburgers.
  17. She enjoys listening to the song Unfair by EXO. Listening to it makes her feel the excitement of winter.
  18. If she ever won a lottery, Semi would buy a few things and then save the remainder of the money.
  19. Throughout the day, she usually says “Ah, really”, “Do you know what this means?”, “I’m hungry”, and “Ah! Hey you!” a lot.
  20. Once while shopping online, she mistyped her name as ‘Goosaengsi’.
  21. She likes the Ferrari Light Essence perfume.
  22. Semi enjoys watching movies.
  23. She does not like shiitake mushrooms.
  24. Semi prefers her right facial profile.

Featured Image by Cignature / Instagram

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