STAYC (스테이씨) is a six-member K-pop girl group under High Up Entertainment. The group consists of Sumin, Sieun, ISA, Seeun, Yoon, and J.

STAYC officially debuted on November 12, 2020, with their first single album Star To A Young Culture and the title track “SO BAD.” High Up Entertainment describes the group’s musical identity as “Teen-fresh,” a style combining youthful energy with confident and polished pop.

Since debut, STAYC has built a diverse discography featuring songs such as “ASAP,” “STEREOTYPE,” “RUN2U,” “Teddy Bear,” “Bubble,” “BEBE,” and “2 L0VE.”

STAYC Profile Information

Information	Details
Group Name	STAYC
Korean Name	스테이씨
Members	Sumin, Sieun, ISA, Seeun, Yoon, J
Number of Members	6
Agency	High Up Entertainment
Debut Date	November 12, 2020
Debut Single Album	Star To A Young Culture
Debut Title Track	“SO BAD”
Fandom Name	SWITH
Group Concept	Teen-fresh
Group Type	K-pop Girl Group

Who Are the Members of STAYC?

STAYC currently consists of six members:

Sumin
Sieun
ISA
Seeun
Yoon
J

High Up Entertainment’s official profile lists their birthdays as Sumin — March 13, 2001; Sieun — August 1, 2001; ISA — January 23, 2002; Seeun — June 14, 2003; Yoon — April 14, 2004; and J — December 9, 2004.

Sumin

Sumin (수민) is the leader of STAYC and the oldest member.

Born on March 13, 2001, she trained before debuting with STAYC and has become recognized for her stage presence and leadership within the group.

As leader, Sumin has played an important role in representing STAYC during interviews, performances, and fan activities.

Sieun

Sieun (시은) is a vocalist of STAYC known for her strong singing ability.

Born on August 1, 2001, Sieun had already established herself in the entertainment industry before STAYC’s debut, including work as an actress.

She has continued balancing music and acting activities throughout her career.

In 2026, Sieun completed her first musical project and received positive attention for her performance.

ISA

ISA (아이사) was born on January 23, 2002.

She is known for her distinctive vocal tone and performance style. Her voice contributes to the recognizable sound that has become part of STAYC’s identity.

ISA has remained an important part of the group’s vocal and performance lineup since debut.

Seeun

Seeun (세은) was born on June 14, 2003.

She is known for her bright personality, vocals, and stage presence. Seeun has also participated in special projects with fellow member J, including the digital single “Over U, Goodbye.”

Yoon

Yoon (윤) was born on April 14, 2004.

She is the tallest member of STAYC and is known for her energetic personality, vocals, and strong stage presence.

In addition to her activities with STAYC, Yoon expanded into acting in 2026, starring in the short-form drama Love, Death.

J

J (재이) was born on December 9, 2004 and is the youngest member of STAYC.

She is recognized for her distinctive low vocal tone, which gives the group’s songs another contrasting vocal color.

J has also participated in special music projects with Seeun, including “Over U, Goodbye.”

STAYC’s Debut

STAYC officially debuted on November 12, 2020, with the single album Star To A Young Culture.

The title track “SO BAD” introduced the six-member group and established the bright yet confident style that would become central to their identity.

High Up Entertainment developed STAYC around the concept of “Healthy,” emphasizing positive personalities and a healthy mindset alongside their musical development.

STAYC’s Music and Albums

Star To A Young Culture

Release Date: November 12, 2020
Type: 1st Single Album
Title Track: “SO BAD”

STAYC’s debut release introduced the group with “SO BAD” and established their early musical direction.

The release marked the beginning of the group’s career under High Up Entertainment.

STAYDOM

Release Date: April 8, 2021
Type: 2nd Single Album
Title Track: “ASAP”

STAYC followed their debut with STAYDOM.

The title track “ASAP” became one of the group’s signature early songs and helped strengthen their recognition among K-pop listeners.

STEREOTYPE

Release Date: September 6, 2021
Type: 1st Mini Album
Title Track: “STEREOTYPE”

The mini album STEREOTYPE continued STAYC’s youthful sound while delivering a message about avoiding assumptions based on appearances.

The title track became another important release in the group’s early career.

YOUNG-LUV.COM

Release Date: February 21, 2022
Type: 2nd Mini Album
Title Track: “RUN2U”

STAYC returned with YOUNG-LUV.COM in 2022.

The title track “RUN2U” showed a stronger and more mature side of the group’s sound while retaining their recognizable vocal colors.

WE NEED LOVE

Release Date: July 19, 2022
Type: 3rd Single Album
Title Track: “BEAUTIFUL MONSTER”

The release featured “BEAUTIFUL MONSTER,” a song that highlighted STAYC’s vocals and a more emotional side of their music.

Teddy Bear

Release Date: February 14, 2023
Type: 4th Single Album
Title Track: “Teddy Bear”

STAYC returned with the bright and playful “Teddy Bear.”

The song became another recognizable addition to the group’s growing collection of upbeat releases.

TEENFRESH

Release Date: August 16, 2023
Type: 3rd Mini Album
Title Track: “Bubble”

The title track “Bubble” strongly reflected the group’s self-described Teen-fresh identity.

The release combined energetic pop with a message about staying confident despite outside opinions.

Metamorphic

Release Date: July 1, 2024
Type: 1st Full Album

Metamorphic marked STAYC’s first full-length album.

The album represented a broader musical phase for the group and included tracks that explored different sides of their sound.

S

Release Date: March 18, 2025
Type: 5th Single Album
Title Track: “BEBE”

STAYC entered a more mature musical phase with S.

The title track “BEBE” focused on breaking away from expectations and showing a more authentic side of the group.

High Up Entertainment described the release around ideas including “Sensual, Sophisticated, Self-esteem.”

The single album also included:

“BEBE”
“DIAMOND”
“PIPE DOWN”

2

Release Date: June 16, 2026
Type: 6th Single Album
Title Track: “2 L0VE”

STAYC’s latest listed major release is 2.

The title “2 L0VE” uses the tennis score 2–0 as part of the wordplay, connecting the concept of love with the scoring system of a tennis match.

The song is a synth-driven pop-dance track that explores the excitement and uncertainty of pursuing love.

The album contains four tracks:

“2 L0VE”
“WHERE YOU AT?”
“SORRY”
“BEAT MY LOVE”

STAYC’s Popular Songs

Some of STAYC’s most recognizable songs include:

“SO BAD”
“ASAP”
“STEREOTYPE”
“RUN2U”
“BEAUTIFUL MONSTER”
“Teddy Bear”
“Bubble”
“BEBE”
“DIAMOND”
“2 L0VE”

These releases show STAYC’s progression from their early Teen-fresh sound toward a broader and more mature musical identity.

STAYC’s Music Style

STAYC is particularly associated with the Teen-fresh style.

Their music combines:

Pop
Dance-pop
Synth-pop
R&B influences
Bright vocal arrangements
Performance-oriented production

One of the group’s defining characteristics is the contrast between their six distinct vocal tones.

High Up Entertainment specifically describes STAYC as a group that developed the Teen-fresh genre by combining teenage confidence with a new musical approach.

STAYC’s Achievements

STAYC has built an established career since their 2020 debut.

Major career milestones include:

Debuted in November 2020 with “SO BAD.”
Gained widespread recognition with songs such as “ASAP” and “STEREOTYPE.”
Continued their growth with “RUN2U,” “Teddy Bear,” and “Bubble.”
Released their first full album, Metamorphic, in 2024.
Entered a more mature musical era with S and “BEBE” in 2025.
Released their sixth single album 2 in June 2026.
Continued performing internationally through their 2026 STAY CLOSER fan-con tour.

As of late September 2026, High Up Entertainment stated that STAYC was focused on completing its scheduled 2026 tour activities.

STAYC Fandom

STAYC’s official fandom name is SWITH.

The fandom name represents the relationship between STAYC and the fans who accompany the group throughout its career.

STAYC Facts

STAYC has six members.
The members are Sumin, Sieun, ISA, Seeun, Yoon, and J.
The group is under High Up Entertainment.
STAYC debuted on November 12, 2020.
Their debut song was “SO BAD.”
Their debut single album was Star To A Young Culture.
Their fandom name is SWITH.
STAYC is strongly associated with the Teen-fresh genre.
Sumin is the leader.
J is the youngest member.
Sieun had an acting career before and alongside her idol activities.
Yoon expanded her career into acting in 2026.
Metamorphic was STAYC’s first full-length album.
“BEBE” marked a more mature direction for the group.
“2 L0VE” is the title track of their sixth single album 2.
The members’ official birthdays are listed by High Up Entertainment.

STAYC FAQ

Who are the members of STAYC?

The members of STAYC are Sumin, Sieun, ISA, Seeun, Yoon, and J.

When did STAYC debut?

STAYC debuted on November 12, 2020.

What company is STAYC under?

STAYC is under High Up Entertainment.

What is STAYC’s debut song?

Their debut title track is “SO BAD.”

What is STAYC’s fandom name?

STAYC’s fandom is called SWITH.

How many members does STAYC have?

STAYC has six members.

Who is the leader of STAYC?

Sumin is the leader.

Who is the youngest member of STAYC?

J is the youngest member.

What is STAYC’s latest album?

As of October 2026, STAYC’s latest listed release is their sixth single album 2, released June 16, 2026.

What is STAYC’s latest title track?

The title track of 2 is “2 L0VE.”

What does STAYC’s Teen-fresh concept mean?

Teen-fresh combines youthful energy with confident and polished pop. It became one of the central musical identities associated with STAYC.

Final Thoughts

STAYC has built a recognizable identity through distinctive vocals, energetic performances, and their signature Teen-fresh approach.

From “SO BAD” and “ASAP” to “RUN2U,” “Teddy Bear,” “Bubble,” “BEBE,” and “2 L0VE,” the group has continued evolving while maintaining the vocal character that made them stand out from the beginning.

With six members and an expanding discography, STAYC remains an established name among the leading girl groups of their generation.

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