Guide to tripleS

Timeline

History S1 Yoon Seoyeon S2 Jeong Hyerin S3 Lee Jiwoo S4 Kim Chaeyeon S5 Kim Yooyeon S6 Kim Soomin S7 Kim Nakyoung S8 Gong Yubin S9 Kaede S10 Seo Dahyun S11 Kotone S12 Kwak Yeonji S13 Nien S14 Park Sohyun S15 Xinyu S16 Mayu S17 Lynn S18 Joobin S19 Jeong Hayeon S20 Park Shion S21 Kim Chaewon S22 Sullin S23 Seoah S24 Jiyeon

Jeong Hayeon 정하연

S19 Jeong Hayeon Teaser


Reveal

Hayeon was revealed as S19 on December 23, 2023 as the third member of the subunit NXT.

HAUS Move In SIGNAL

Background

Hayeon was born August 1, 2007.