Popular Third-Gen Female Idol’s Sister Rumored To Be Debuting In New HYBE Group

In K-Pop, there is a wave of talented siblings who netizens are obsessed with.

All 20 Pairs Of Siblings That Took Over The K-Pop Scene

It seems like TWICE‘s Jihyo might be added to that list with rumors of her youngest sister debuting.

Jihyo | @_zyozyo/Instagram

Jihyo is extremely talented, and it runs in the genes as her sister made an unexpected acting debut in a GL drama.

TWICE Jihyo’s Younger Sister Makes Shocking Acting Debut In GL Drama

Recently, many netizens shared that Jihyo’s sister, Park Seoyeon, is rumored to be making her debut as a member of the Pledis Entertainment girl group.

🚨 PARK SEOYEON, Jihyo’s Youngest sister is rumoured to make her debut in a new kpop girl group #PLEDISNGG later this year! pic.twitter.com/U8J7tzps3U

— JIHYO GLOBAL UNION (@JihyoUnion) January 26, 2026

Debut Candidate Revealed:

Park Seoyeon (Younger Sister of TWICE’s Jihyo)

-08 Liner

Curtesy of @aerinnn___ #PLEDISNGG #PLEDISNEWGG #PLEDISNEWGIRLGROUP pic.twitter.com/q1l6gWzutk

— dreamy 🍯 (@hybegirlies) January 26, 2026

Netizens couldn’t get over how talented the family is, with Jihyo in TWICE, her younger sister debuting as an actress, and now her youngest sister rumored to debut as an idol as well.

The Park Sisters visuals are so insane 💖 pic.twitter.com/jXUdoMOTt5

— Marish 🌼 (@JihDragon) January 26, 2026

Jihyo's little sisters are all grown up. The middle one already debuted as an actress and the baby is now rumored to debut in her own group. I'm sure Jihyo is very proud🥹 https://t.co/HRCyuId5tT pic.twitter.com/wzvNIUa4vS

— JIHYO GLOBAL UNION (@JihyoUnion) January 26, 2026

Yet, as excited as fans were, some expressed concerns about Pledis Entertainment’s reputation with girl groups.

NOT PLEDIS PLLLZZZZZ JIHYO SAVE HER 😭 https://t.co/4rVqAaoUwS

— diyo ੯‧̀͡⬮ (@coIormetrue) January 26, 2026

Under pledis?!? They better treat them right or else Park Jihyo gonna burn that building even tho she's friends with SVT. https://t.co/Yw50xfsuS5

— nelle🤍| LOVE ME 💘 (@cutieduboing) January 26, 2026

not only is pledis and girl group in the same sentence but also jihyo’s sister? someone save her https://t.co/e7hbZ7P2Rg

— . (@hanzhen_v) January 26, 2026

if jihyo’s little sister is really debuting and under pledis of all companies… good luck to her pic.twitter.com/envR6QEKEm

— nuni ♡ (@ghosturz) January 26, 2026

happy for jihyo’s lil sis BUT PLEDIS ??? i wouldnt wish that on my worse enemy

— lia♡ (@misamoyeons) January 27, 2026