
By the K-Pulso team · Published
Hearts2Hearts (하츠투하츠) is an eight-member girl group from SM Entertainment. They debuted on February 24, 2025 at 6 p.m. KST with the single album "The Chase", which includes the songs "The Chase" and "Butterflies". Their fans are called S2U, pronounced "ha-chu" (하츄).
The 8 members
Six are from South Korea, Carmen is from Indonesia, and Stella spent her school years in Canada. Under each name you'll find her country and date of birth.
- JiwooSouth Korea · September 7, 2006 (leader)
- CarmenIndonesia · March 28, 2006 (oldest)
- YuhaSouth Korea · April 12, 2007
- StellaSouth Korea · June 18, 2007 (school years in Canada)
- JuunSouth Korea · December 3, 2008
- A-naSouth Korea · December 20, 2008
- IanSouth Korea · October 9, 2009
- Ye-onSouth Korea · April 19, 2010 (youngest)
About Juun's name: when SM introduced the members in February 2025, it wrote "JUNN"; the official Japanese website writes "JUUN".
Quick table: names, ages and nationality
| Stage name | Full name | Date of birth | Age | Nationality |
|---|---|---|---|---|
| Jiwoo (지우) | — | September 7, 2006 | 20 | South Korea |
| Carmen (카르멘) | — | March 28, 2006 | 20 (oldest) | Indonesia |
| Yuha (유하) | — | April 12, 2007 | 19 | South Korea |
| Stella (스텔라) | — | June 18, 2007 | 19 | South Korea (school years in Canada) |
| Juun (주은) | — | December 3, 2008 | 17 | South Korea |
| A-na (에이나) | — | December 20, 2008 | 17 | South Korea |
| Ian (이안) | — | October 9, 2009 | 17 | South Korea |
| Ye-on (예온) | — | April 19, 2010 | 16 (youngest) | South Korea |
SM Entertainment hasn’t published the members’ full names. A dash (—) means there’s no official source. SM doesn’t publish each member’s nationality. The Korea Times describes Stella as Korean-Canadian.
Fun facts
- Jiwoo is the leader. Carmen is the oldest member and Ye-on the youngest (the maknae).
- Carmen was born in Bali, Indonesia. She is the first female Indonesian idol to debut with SM.
- Stella spent her school years in Canada.
- A-na was an MC of "Show! Music Core", MBC’s music show, from March 2025 to May 2, 2026. If you’re not sure what these shows are, our guide to Korean music shows explains them.
- The fandom name, S2U, is pronounced "ha-chu" (하츄). The members revealed it at their debut fan showcase on the evening of February 24, 2025.
- The group still has its eight debut members: as of October 29, 2026, no departure or hiatus has been announced.
Their songs, in order
- "The Chase" and "Butterflies", from the debut single album "The Chase" (February 24, 2025).
- "STYLE", a digital single (June 18, 2025).
- "Pretty Please", a pre-release song made in collaboration with Pokémon (September 24, 2025).
- "FOCUS", from their first EP, "FOCUS" (October 20, 2025).
- "RUDE!", a single (February 20, 2026), with a Japanese version on March 18, 2026.
- "Lemon Tang", the title track of their second EP, "Lemon Tang" (June 22, 2026), which also includes "RUDE!" and "15-LOVE". They returned to the music shows with "15-LOVE" in late August 2026.
- "ICONIC HEART", their first Japanese single and their Japanese debut: digital on August 10, 2026 and CD on August 12. The Korean version came out on October 5, 2026.
- "Moonride", in collaboration with Kia (September 9, 2026).
- "Next Chapter", in collaboration with the game Arena of Valor (October 16, 2026).
Hearts2Hearts at the 2026 awards
As of October 29, 2026, Hearts2Hearts is announced for these ceremonies:
- KGMA 2026: November 8, at Gocheok Sky Dome (Seoul). Our KGMA 2026 guide has the full lineup and how to watch.
- MMA2026 (Melon Music Awards): November 14, also at Gocheok Sky Dome.
- MAMA 2026: November 20 (Chapter 1), at Kyocera Dome Osaka (Japan). Voting is explained in our MAMA 2026 voting guide.
- AAA 2026: December 5 and 6, in Kaohsiung (Taiwan). As of October 29, 2026, the day they perform has not been confirmed.
Start times, how to watch and when to vote are in our K-pop awards calendar 2026–27.
Hearts2Hearts FAQ
How many members are in Hearts2Hearts?
Hearts2Hearts has 8 members: Jiwoo, Carmen, Yuha, Stella, Juun, A-na, Ian and Ye-on. They are the same eight who debuted: as of October 29, 2026, no departure or hiatus has been announced.
Who is the leader of Hearts2Hearts?
The leader of Hearts2Hearts is Jiwoo, born on September 7, 2006.
Who is the youngest member (maknae) of Hearts2Hearts?
The maknae of Hearts2Hearts is Ye-on, born on April 19, 2010. The oldest member is Carmen, born on March 28, 2006.
How old are the Hearts2Hearts members?
As of October 29, 2026: Carmen and Jiwoo are 20; Yuha and Stella are 19; Juun, A-na and Ian are 17; and Ye-on is 16.
Where are the Hearts2Hearts members from?
Six are from South Korea, Carmen is from Indonesia, and Stella spent her school years in Canada. Carmen was born in Bali and is the first female Indonesian idol to debut with SM.
When did Hearts2Hearts debut?
Hearts2Hearts debuted on February 24, 2025 at 6 p.m. KST with the single album "The Chase", under SM Entertainment.
What is the Hearts2Hearts fandom name?
Their fans are called S2U, pronounced "ha-chu" (하츄). The members revealed it at their debut fan showcase on the evening of February 24, 2025.
Where to watch their videos
Their most-viewed videos
See the full listAll their MVs and fancams are in the search: Hearts2Hearts videos. If you love fancams, check the most-viewed fancams or read what a fancam is. To follow the group, tap the heart (♥) on any of their videos. Other groups’ fandom names are in our guide to K-pop fandom names.
Sources
- SM Entertainment: the 8 members, the leader and the youngest (February 5, 2025, Korean)
- Hearts2Hearts official Japanese site: profile and birthdays (Japanese)
- Sports Kyunghyang: the Hearts2Hearts members (Korean)
- The Korea Times: Hearts2Hearts’ debut
- iMBC: the fandom name, S2U (Korean)
- MTN: Carmen, the first Indonesian member of a big-agency group (Korean)
- RRI: Carmen, the first Indonesian female idol to debut with SM
- MyDaily: the second EP, "Lemon Tang" (Korean)
- Sports Kyunghyang: the "15-LOVE" comeback, August 2026
- Korea JoongAng Daily: the Korean version of "ICONIC HEART"
- Soompi: A-na steps down as "Show! Music Core" MC
- iMBC: "Show! Music Core", MBC’s music show (Korean)