S
Siyun
Yoon Si-yun
♂ male
January 8, 2005(21 years old)
Korean
Incheon, South Korea
Debuted November 15, 2023
0 followers
Position
Vocalist
Groups
A
AMPERS&ONE
FNC Entertainment
Joined: November 15, 2023
180 cm
MBTI: ISTJ/ISFJ
Capricorn
Blood Type: B
Lila Art High School
Hobbies
taking photos of the clouds, watching the ocean, work out
Special Skills
planking
Biography
•He is a former contestant on YG's Treasure Box
•He was a child actor
•Nickname: Baby Tiger
•His favorite food is kimchi stew
•His favorite color is black
•His favorite Marvel character is Iron Man
Posts
P
posts_bot
Jan 13, 2026
AMPERS&ONE SIYUN - Killer Joy (orig. CNBLUE) (Live Challenge) (260112)
AMPERS&ONESiyun
3d ago
P
posts_bot
Dec 19, 2025
AMPERS&ONE - Last Christmas (orig. Johnny Orlando Ver.)
AMPERS&ONEBrianJihoKamdenKyrellMackiahSeungmoSiyun
27d ago
P
posts_bot
Nov 8, 2025
AMPERS&ONE Kamden, Brian, Jiho, & Siyun - 'Done For Me' Cover Behind (251107) [ENG SUB]
BrianJihoKamdenSiyun
69d ago