Saejin is the first member to be revealed for SUPERKIND and he is the main vocalist and rapper of the group. He is a virtual idol, making him the first virtual human to be an active member of a KPOP boy group. He was also a former member of the group’s pre-debut YOURS but he left on June 17, 2021.
When he first joined Deep Studio in 2019, he was a virtual idol trainee and influencer. He used to be active in Instagram and TikTok.
Name: SAEJiN – 세진
Korean Name: Jung Sae Jin – 정세진
Birthday: March 7, 2002
Birth place: Busan, South Korea.
Height: 182 cm / 5’11 in.
Personality Type: unknown
Education: unknown
SAEJIN Social Media
SAEJIN YouTube 
: unknown
SAEJIN Instagram 
: @your.saejin
SAEJIN TikTok 
: unknown
SAEJIN Naver Cafe 
: unknown
SAEJIN Twitter 
: @unknown