Semi (LATENCY)

For other people known as 'Semi', see Semi.

Semi
2025 profile photo
Background
Birth name	Gu Se-mi (구세미)
Birth date	April 10, 2002 (2002-04-10)
Birth place	Bupyeong-dong, Bupyeong-gu, Incheon, South Korea
Height	167 cm (5 ft 6 in)
Weight	47 kg (104 lb)
Blood type	A
Career
Occupation	Singer, actress
Group debut	February 4, 2020
Years active	2020–present
Agency	C9 Entertainment (2019–2024) J9 Entertainment (2020–2023) JYP Entertainment (former; trainee)
Associations	LATENCY cignature
SNS

Semi (세미) is a South Korean singer and actress. She is a member of the upcoming girl band LATENCY and a former member of the girl group cignature.

Career

2019–2024: cignature, departure from C9 Entertainment

On November 12, 2019, Semi was introduced as a member of C9 Entertainment's next girl group, Cignature. They debuted on February 4, 2020 with the digital single "Nun Nu Nan Na", now managed by the subsidiary J9 Entertainment.

On December 3, 2024, C9 Entertainment announced the disbandment of cignature and termination of the members' exclusive contract.

2025: LATENCY

On June 11, 2025, she is one of the members spotted during a practice for a band project with her fellow former cignature members Jee won and Haeun, LOONA and Loossemble's HyunJin and former Hashtag member Dajeong.

On October 1, it was announced that Semi is a member of the band LATENCY.

Filmography

Web dramas

• 뜸 들이지 마세요 (TBA)

Trivia

• She was the maknae of cignature before Do Hee joined.
• Her proudest moment was during her first showcase, as it was when her dream came true.
• She refers to herself as "lovely kitty Semi".
• She likes the song "Unfair" by EXO because she can feel the excitement of winter when listening to it.
• Her favorite emoji is the blue heart (💙) because she loves the color blue and likes to use it to express her love to fans.
• Her favorite snack is chocolate as it increases her sugar levels, so she becomes more energized and lively.

Gallery

Main article: Semi (LATENCY)/Gallery

Official links

• Instagram