Seonghyeon is a South Korean singer, songwriter, and member of CORTIS, BIGHIT MUSIC’s five-member boy group. Born on January 13, 2009, in Daejeon, South Korea, Seonghyeon is one of the group’s younger members and is known for his contributions to CORTIS’ music, choreography, and lyrics.
CORTIS debuted in August 2025 with the single “What You Want” and subsequently released its first EP, COLOR OUTSIDE THE LINES, on September 8, 2025. The group is known for its hands-on creative approach, with all five members contributing to music, choreography, and visual production. At CORTIS’ debut showcase, SBS described Seonghyeon as the member with a strong, cohesive sense of style across music and fashion.
Beyond music, Seonghyeon has built a rapidly growing international profile through high-fashion runway appearances, global beauty campaigns, and mainstream sports partnerships.
Quick Idol Overview
Stage Name: Seonghyeon
Birth Name: Eom Seonghyeon
Korean Name (한글): 엄성현
Birthday: January 13, 2009
Age: 17 Years
Nationality: Korean
Zodiac Sign: Capricorn
Chinese Zodiac: Rat
Group / Solo: CORTIS
Company: BigHit Music
Position: Main Dancer, Vocalist
Debut Date: August 18, 2025 (CORTIS – “What You Want”)
MBTI: INTP
Social Media Presence
No official individual account of Seonghyeon (CORTIS). He primarily communicates with fans through CORTIS’ official group platforms and Weverse activities.
Personal Details
Nickname: Dimple Boy, Princess, Eomji, Eombrella. Eomsal, Grumpy Eom, and Eomma
Favorite Artist: Nirvana, Brent Fiyaz
Hobbies: Dancing, photography, cycling, watching movies, playing basketball
Favorite Food: Fried chicken, tteokbokki, Acai bowls, blueberries, Green Jalapeño Cheetos
Favorite Music: Pop, hip-hop, Jazz
Favorite Color: Green, Purple, Gray(new)
Role Model: J-Hope (BTS)
Physical Profile
| ATTRIBUTE | DETAILS |
|---|---|
| Height | 180 cm |
| Weight | Not Publicly Confirmed |
| Blood Type | A |
| Shoe Size | 270mm |
Beauty Breakdown (Fan-Observed)
Face shape: Fans admire his oval face with soft features
Eye type: Seonghyeon is admired for bright eyes with an expressive gaze
Early Life and Education
- Born on January 13, 2009, in Seo-gu, Daejeon, South Korea
- Attended Daejeon Gwanjeo Elementary School
- Developed an interest in music and creative activities at a young age
Career Journey
Pre-Debut
- Scouted by BigHit Music at Lotte World in 2021
- Trained for 5 years starting at the age of 13
- Passed middle and high school graduation equivalency exams during his training days
- Composed and produced around 100 demo tracks entirely in his trainee studio
- Built a reputation for strong dance performance skills
Debut & Growth
- Introduced as a member of CORTIS in 2025
- Debuted with the group’s first EP Color Outside the Lines
- Contributed in writing lyrics and producing to all five songs on their debut EP
- Gained attention for powerful stage energy
- Recognized as one of the group’s strongest producers
Fashion, Style & Aura
Airport fashion: Casual streetwear with sporty elements
Stage style: Dynamic, energetic and performance-focused
Signature items: Vintage fashion pieces, Y2K style
Brand associations: Participates in CORTIS group campaigns and promotional partnerships
Fitness, Diet & Health
● Maintains athletic dancer physique
● Practices regularly to improve performance skills
● Focuses on stamina and flexibility
● Active lifestyle centered around dance training
Popularity Insights
● A fan-made Redred dance video surpassed 100K likes with 3.2M views in less than 48 hours.
● Seonghyoen close-up focus tracks are are published under SBS’s official FaceCam 4K
● During the first year of debut, Seonghyeon attended the front-row Dior show at Paris Fashion Week
● His “youth certificate” vlog reveal peaked at #3 on South Korean trending charts within an hour.
Viral Moments & Fan Favorites
● His dimple smile is a fan-favorite and widely shared moment
● Energetic moves with strong visuals raised the RedRed dance trend across Tiktok
● Seonghyeon’s humble behavior with a rude fan at the fansign event
● Pre-debut video release from BigHit Entertainment featuring Seonghyeon rap practice
Controversies & Clarifications
● No major personal controversies have become a defining part of Seonghyeon’s public career as of 2026.
● Maintains positive public image
FAQs Fans Ask
What is Seonghyeon’s position in CORTIS? → No, official positions has beeb made. But Seonghyeon serves as main dancer and vocalist.
What is Seonghyeon known for? → Dance skills and energetic performances.
Do Seonghyeon have siblings? → Yes, one younger sister. She is 3 years younger than him.
Which company is Seonghyeon under? → BigHit Music.
Has Seonghyeon made a solo debut? → No solo debut has been officially announced.
Fun Facts You Didn’t Know
- Seems quiet and shy in interviews
- Recognized as the best performer in the group
- Helps Martin in producing songs
- Loves winter season and book reading
- Wanted to become a soccer player or robot scientist
- Other members consider him straightforward
- Seonghyeon uses masks and creams for glowing skin every night