Hyunseo

Stage Name:  Hyunseo (휸서) ​
Birth Name: Sang Hyunseo (상현서) 
Position: Leader, Vocals
Birthday: February 16
Age:  22
Zodiac sign: Aquarius
Height: 180 cm
Weight: 57 kg
Blood Type: A

Hyunseo facts:
Born: Seoul, South Korea
Family: Father, Mother, younger sister
​Former member of Bright Boys

Insoo

Stage Name: Insoo (인수)
Birth Name: Chang Insoo (창인수)
Position: Lead rapper (low)
Birthday: December 3​
Age: ​21
Zodiac sign: Sagittarius
Height: 170 cm 
Weight: 66 kg
Blood Type: B

Insoo facts:
Born: TBC, South Korea
Family: Father, Mother, younger sister

Sungil

Stage Name:  Sungil (성일)
Birth Name: Baek Sungil (백성일)
Position: Vocals
Birthday: June 1
Age:  18
Zodiac sign: Gemini
Height: 178 cm
Weight: 66 kg
Blood Type: B

Sungil facts:
Born: Seoul, South Korea
Family: Father, Mother
​Nearly debuted with Bright Boys

TK

Stage Name: TK (티케이)
Birth Name: Min Taekyung (민태경)
Position: Vocals
Birthday: September 30
Age:  18
Zodiac sign: Libra
Height: 182 cm
Weight: 70 kg
Blood Type: TBC

TK facts:
Born: Seoul, South Korea
Family: Father, Mother, older brother