ROS共和少年 Members Profiles and Facts
ROS共和少年 (English Name N/A/ ROS Gonghe Shaonian in pinyin) is a 5-member Chinese boy group under R.O.S Entertainment (formerly known as M-IDOL Entertainment). The group consists of T.A, Alex, Lucas, JAY, and Kylin. Their debut stage was held on October 25, 2025, where they also performed their debut song “在魔咒之下”.
Group Name Meaning: N/A
Official Greeting: N/A
ROS共和少年 Official Fandom Name: N/A
Fandom Name Meaning: N/A
ROS共和少年 Official Color: N/A
ROS共和少年 Official Logo: N/A
Official SNS:
Instagram: @ros88club (Company)
Weibo: ROS共和少年-星光家族
Douyin: @ROS共和少年-星光家族
Xiaohongshu (REDnote): ROS共和少年-星光家族
BiliBili: ROS娱乐星光家族 (Company)
ROS共和少年 Member Profiles:
T.A
Stage Name: T.A (羽森)
Birth Name: Yu Sen (羽森)
Position(s): Leader, Rapper
Birthday: November 17
Zodiac Sign: Scorpio
Chinese Zodiac Sign: N/A
Height: 185 cm (6’1″)
Weight: 68 kg (149 lbs)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Weibo: 羽森TA1117
T.A Facts:
– He is from Beijing, China.
– He is known for being gentle and handsome.
– His hobbies include rapping, dancing, working out, and cooking.
– He likes traveling.
– He wears prescription glasses.
Alex
Stage Name: Alex (熠轩)
Birth Name: Yi Xuan (熠轩)
Position(s): Vice Leader, Vocalist
Birthday: January 9
Zodiac Sign: Capricorn
Chinese Zodiac Sign: N/A
Height: 181 cm (5’11”)
Weight: 63 kg (138 lbs)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Weibo: @熠轩Alex109
Alex Facts:
– He is from Beijing, China.
– He is known for his cool and restrained personality.
– His hobbies include singing, acting, dubbing, dancing, and riding motorcycles.
– He likes soccer, musicals, and motorcycles.
Lucas
Stage Name: Lucas (米亚)
Birth Name: Mi Ya (米亚)
Position(s): Vocalist
Birthday: April 2
Zodiac Sign: Aries
Chinese Zodiac Sign: N/A
Height: 178 cm (5’10”)
Weight: 56 kg (123 lbs)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Weibo: 米亚Lucas402
Lucas Facts:
– He is from Beijing, China.
– He is known for his innocent yet sexy charm.
– He can play the guitar.
– His hobbies include singing, playing basketball, rap, and spacing out.
JAY
Stage Name: JAY (晨俊)
Birth Name: Chen Jun (晨俊)
Position(s): Main Dancer
Birthday: March 26
Zodiac Sign: Aries
Chinese Zodiac Sign: N/A
Height: 183 cm (6’0″)
Weight: 58 kg (128 lbs)
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Weibo: 晨俊jay326
JAY Facts:
– He is from Beijing, China.
– His hobbies include singing, acting in musicals, swimming, diving, ice skating, and extreme sports.
– He is known for his elegance and charm.
– He likes cooking delicious food.
Kylin
Stage Name: Kylin (麒麟)
Birth Name: Qi Lin (麒麟)
Position(s): Main Dancer, Youngest
Birthday: July 7, 2006
Zodiac Sign: Cancer
Chinese Zodiac Sign: Pig
Height: 181 cm (5’11”)
Weight: 62 kg (136 lbs)
Blood Type: N/A
MBTI Type: ENFP
Nationality: Chinese
Kylin Facts:
– He is from Beijing, China.
– He was a contestant on the survival show BOYS II PLANET, and he was eliminated in episode 1.
– Three keywords that describe him are bright, healing, and kind.
– Kylin’s specialties are Latin dance, being well-liked by others, and having a good eye for photography.
– He has good body control and movement.
– Some of his nicknames are Lin Lin and Smile Angel.
– He describes himself as someone who encourages others.
– He enjoys taking photos, swimming, dancing, walking around the city, riding his kickboard, and skateboarding.
– His charm is his smile.
– His power max song is “3D” by Jungkook.
– He is confident in his dancing skills.
– Jay often says that Kylin looks like a red panda.
– He was first introduced as a trainee of the company on April 7, 2025.
– He can play the trumpet.
– He likes gaming.
Pre-debut Member(s):
Justin
Stage Name: Justin (希言)
Birth Name: Xi Yan (希言)
Position(s): N/A
Birthday: June 18
Zodiac Sign: Gemini
Chinese Zodiac Sign: N/A
Height: 182 cm (6’0″)
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Chinese
Justin Facts:
–He left the group between late July and early August 2025.
– His hobbies are singing and travelng.
– His favorite sport is basketball.
– He can play the piano.
Note: Please don’t copy-paste the content of this page to other sites/places on the web. Please do respect the time and effort the author put in compiling this profile. If you need/want to use info from our profile, please kindly put a link to this post. Thanks a lot! 
– Kprofiles.com
Note 2: Kylin’s MBTI and blood type were confirmed in his self-written profile for BOYS II PLANET.
For reference on MBTI types:
E = Extroverted, I = Introverted
N = Intuitive, S = Observant
T = Thinking, F = Feeling
P = Perceiving, J = Judging
Note 3: Their positions, heights, and weights were revealed on the group’s official Weibo account.
Links: T.A, Alex, Lucas, JAY, Kylin.
Made by: “felipe grin§”
(Special thanks to: sese)
Latest Official Release:
Debut Performance
Who is your ROS共和少年 bias? Do you know more facts about them? Feel free to comment below. 
