| Overview |
∞! (Japanese: ハッチ, Hangul: 핫찌; pronounced: Hatchi, stylised as Hatch!) is tripleS' Japanese sub-unit. They made their debut on November 20, 2024, with their single album, “Untitled”.
As the unit has no fixed members, lineups will change every year. Currently, the first lineup consists of Lee JiWoo, Kim ChaeYeon, Kim YooYeon, Kim SooMin, Kotone, Mayu, Park ShiOn and Kim ChaeWon.
History[]
2024: Formation & Debut[]
On February 2, tripleS's Spotify description was updated to include information about the group's Japanese debut in 2024.[1]
On May 10, tripleS's official Japan X account was opened and an article was released stating that MODHAUS would be collaborating with SME Records, Stream Media Corporation and Ligareaz to manage the activities of the group in Japan.[2] It was also announced a week later that tripleS would be debuting and meeting fans in the third quarter of the year.[3]
On June 13, in SIGNAL #528, the upcoming units, Visionary Vision and Japan dimension (Tentative Name) were announced. Prior to the selection of the members, an event gravity took place for fans to vote for if members should be allowed to voice their opinions on the ongoing gravity or not, with the result ending in favor of members speaking without restriction.[4] On July 18, Mayu and ShiOn were pre-selected as members by MODHAUS before voting began.[5] From July 20 until August 20, voting for two of the last six remaining members took place on Lemino's website, accessible to Japanese residents only. YooYeon and Kotone were announced as the next two members in the lineup on August 25.[6] From August 26-28, the last four members of the unit were chosen through Cosmo: ChaeYeon and SooMin on day 1, and JiWoo and ChaeWon on day 2.
On September 4, an article was released confirming the Japan Dimension's debut in the second half of the year.[7] On September 14, during tripleS' first Japanese showcase, the Japanese dimension's official unit name was revealed to be Hatchi, stylised as ∞!, meaning "eight" in Japanese. Their debut date was also revealed to be slated for November 20, with the single album, Untitled.
On October 18, the title track, “Untitled” was aired a month in advance on TOKYO FM's [POP-K TOP10 Friday] Broadcast.
On November 18, the music video for “Untitled” was released, with the digital and physical releasing two days later on the 20th.
2025: SecretHimitsuBimil[]
On May 22, Hatchi's comeback was first teased in a shorts, where Kotone, Mayu, ShiOn, and ChaeWon gave a few spoilers about their activities. At the time, they had begun recording their latest tracks.[8]
On June 20, in SIGNAL #694, it was further confirmed that the sub-unit will be making their first comeback later this year. The episode reveals how the members started practicing new choreography as early as June 10.
On July 7, the ∞! Summer Vacation Event Gravity was announced, which determined the concept of the group's variety show in Japan. The voting took place from July 9 to 8.
On July 19, Hatchi's comeback was officially announced in the form of an EP, <SecretHimitsuBimil>, which will be released on October 1.[9]
On September 3, the first photo teaser and episode schedule for Hatchi's variety show, Hatch!'s Summer Vacation, was announced, premiering on September 6.
Members[]
| Name | Birthdate | Number | Position | Unit Activity | |
|---|---|---|---|---|---|
|
Kim YooYeon (キム・ユヨン) |
2001.02.09 (24) | S5 | Eldest | 2024–present |
|
Mayu (マユ) |
2002.05.12 (23) | S16 | Leader | 2024–present |
|
Kotone (コトネ) |
2004.03.10 (21) | S11 | TBA | 2024–present |
|
Kim ChaeYeon (キム・チェヨン) |
2004.12.04 (21) | S4 | TBA | 2024–present |
|
Lee JiWoo (イ・ジウ) |
2005.10.24 (20) | S3 | TBA | 2024–present |
|
Park ShiOn (パク・シオン) |
2006.04.03 (19) | S20 | TBA | 2024–present |
|
Kim ChaeWon (キム・チェウォン) |
2007.05.02 (18) | S21 | TBA | 2024–present |
|
Kim SooMin (キム・スミン) |
2007.10.03 (18) | S6 | Maknae | 2024–present |
Discography[]
Single Albums[]
- [2024.11.20] Untitled
Mini Albums[]
- [2025.10.01] SecretHimitsuBimil
Trivia[]
- Hatchi is the first tripleS sub-unit to make a comeback.
- 6/8 members of Hatchi (JiWoo, ChaeYeon, YooYeon, SooMin, Kotone, and Mayu) were in EVOLution.
Achievements[]
References[]
- ↑ Spotify Description update (@YooYeonGlobal)
- ↑ tripleS, full-fledged entry to Japan… Official account was opened → Activity notice (BizEnter)
- ↑ Starting from the third quarter (July, August, September) , we will be able to show various tripleS activities in Japan (Newsis)
- ↑ tripleS Event Gravity Japan Dimension Gravity Rule Result (@triplescosmos)
- ↑ Mayu & Park ShiOn MODHAUS Pick Announcement (@triplescosmos)
- ↑ tripleS Japan Dimension Vote (Lemino Website)
- ↑ tripleS Japan Debut (Etoday)
- ↑ 💌 ∞! 멤버들의 근황 스포하겠습니다✌️ -tripleS -트리플에스 -トリプルS -トリプルエス -トエス (YouTube Shorts)
- ↑ ∞! 1st EP <SecretHimitsuBimil> Announcement (@triplescosmos)
