Sequence 01: Curiosity
| Sequence 01: Curiosity | ||||
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| 📅 Released | May 26, 2026 | |||
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| ⏳ Length | 14:50 | |||
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| And2ble chronology | ||||
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| Singles from Sequence 01: Curiousity | ||||
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Buy this album Sequence 01: Curiosity or listen to it on amazon
Sequence 01: Curiosity is the debut extended play (EP) by the South Korean boy group And2ble. It was released on May 26, 2026, by YH Entertainment and Kakao Entertainment. Throughout its five tracks, the EP blends elements of various genres, including electronic dance music (EDM), house, pop and R&B, while members Zhang Hao, Ricky, and Kim Gyu-vin contributed to the Korean-language lyrics of three songs. It marked the first release by its members after their respective departures from Zerobaseone (Zhang, Ricky, Kim, Han Yu-jin) and Evnne (Yoo Seung-eon).
In support of the EP, the group embarked on the Welcome to Qurious tour, which took place across cities in Asia from June–July. The sole single of Sequence 01: Curiosity, "Curious", was released simultaneously with the EP and was promoted by the group on South Korean music shows, followed by the track "Aura". The EP was released digitally on music download and streaming platforms, with compact disc (CD) editions issued in South Korea and Japan, with the latter being released by Sony Music Japan.
Commercially, Sequence 01: Curiosity peaked at number two on South Korea's Circle Album Chart and was certified 2× Platinum by the Korea Music Content Association for selling over 500,000 units. It has since sold over 600,000 units in South Korea. In Japan, it peaked at number four on the Oricon Albums Chart, selling over 14,000 units in its first week and more than 20,000 units overall. "Curious" charted on the Circle Digital Chart, peaking at number 65, while the remaining tracks charted on its component Circle Download Chart.
Background
On December 8, 2025, Jellyfish Entertainment announced that Yoo Seung-eon and Ji Yun-seo would leave the boy group Evnne following the conclusion of their contracts with the company and return to their original agency, YH Entertainment. The group would continue activities as a five-member group from 2026, consisting of Keita, Park Han-bin, Lee Jeong-hyeon, Mun Jung-hyun, and Park Ji-hoo.[1] Entertainment company WakeOne announced on February 12, 2026, that the boy group Zerobaseone would continue activities with five of its original nine members: Sung Han-bin, Kim Ji-woong, Kim Tae-rae, and Park Gun-wook. The remaining members, Zhang Hao, Ricky, Kim Gyu-vin, and Han Yu-jin, all of whom were signed to YH Entertainment, would pursue activities independently of the group. The announcement followed an initial two-month extension of the group's contract, with the nine-member lineup continuing activities until March, when they held their final concert at the KSPO Dome in Seoul.[2]
On March 18, Ilgan Sports reported that the former Zerobaseone members Zhang Hao, Ricky, Kim Gyu-vin and Han Yu-jin would be part of YH Entertainment's then-upcoming boy group Andouble. YH Entertainment confirmed to Maeil Business that the four members were preparing for their debut, with further details to be announced later.[3] The former Evnne member, Yoo Seung-eon, was later added to the group's lineup, with its agency confirming the news to Newsen on April 3. The group's scheduled debut date was also revealed to be May 26.[4] The group's official name, And2ble, was unveiled on May 1, following the opening of its Instagram account, with other social media channels following on May 6.[5] The title of the group's debut EP, Sequency 01: Curiosity, was announced on April 27.[6]
Release and promotion
Sequence 01: Curiosity was released on May 26, 2026, on music download and streaming platforms by YH Entertainment under license to Kakao Entertainment, alongside its sole single "Curious". A physical release of the EP was issued on CD in South Korea the same day, with a release in Japan occuring on June 5 via Sony Music Japan.
Promotional tour
And2ble embarked on a concert tour in promotion of Sequence 01: Curiosity titled Welcome to Qurious. It was announced on April 30 and took place across four cities in Asia: Seoul, Yokohama, Kobe and Macau.[7]
Composition
Sequency 01: Curiosity features five tracks, with three of the group's members participating in the writing of lyrics, while its production remained largely outsourced, with most of the work being handled by outside collaborators.[8] It features music production team the Stereotypes in the composition and arrangement of three tracks.[9] The opener of the EP, "Curious", is an EDM song, featuring elements of synth pop and future house.[10][8] Its lyrics were written by Ricky and Zhang Hao, alongside Lee Seu-ran. The lyrics of "Aura" were written by Lee, Ricky and Nevada, and the track features elements of pop-R&B, with synths, hushed vocals and a slower tempo.[8][11] "Sugar Rush" is a dance-pop bubblegum track with lyrics written by Im Su-ran, Kim Gi-tae and Moon Ji-young about physical attraction, featuring guitar elements.[8][11] "Bed" is an acoustic pop song, with lyrics written by Jeong-seon, Moon and Sam Carter, featuring the group singing in their falsetto register.[11][12] The EP's closer and alternative pop song, "Happy &", had its lyrics written by BrotherSu and members Zhang and Kim Gyu-vin, with the group singing about the celebration of new beginnings.[8][11]
Critical reception
Writing for TV Daily, Kim Jin-seok described Sequence 01: Curiosity as a "captivating first step", praising its trendy and alluring mood, while Kim Han-gil highlighted the contrast in moods between the EP's songs. Kim Ji-ha described it as a "clever debut work".[13] In a review of "Curious" for IZM, Shin Dong-gyu rated the song one and a half stars, comparing its chorus to those of other K-pop acts such as Shinee, Exo and TVXQ, calling the track's attempt at establishing their own identity as something "difficult to believe".[14]
Nancy Jiang of Billboard Korea described the EP as reminiscent of K-pop's "third generation", and saying its sound "borders on reverence" for that era. Jiang also highlighted the member's individual skills, including Yoo Seung-eon's high vocal register, which was complemented by Zhang Hao's "warmer" tone. Ricky's R&B-leaning vocal delivery was also praised, alongside the smoother tones of Kim Gyu-vin and Han Yu-jin.[8]
Commercial performance
Track listing
| Sequence 01: Curiousity track listing[15] | |||||
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| No. | Title | Lyrics | Music | Arrangement | Length |
| 1. | "Curious" |
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| The Stereotypes | 2:58 |
| 2. | "Aura" |
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| The Wavys | 3:12 |
| 3. | "Sugar Rush" |
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| 3:07 |
| 4. | "Bed" |
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| 2:12 |
| 5. | "Happy &" |
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| Mars | 3:21 |
| Total length: | 14:50 | ||||
Credits and personnel
The credits were adapted from the EP's liner notes and Apple Music.[9]
Locations
- Digitally edited at:
- MWF Hives (track 1)
- 821 Sound (2, 5)
- EFS (3)
- Mastered at 821 Sound Mastering
- Mixed at:
- Normandy Studios (1)
- Hop Cribs (1)
- Alawn Music Studios (2, 5)
- East Iris Studios (3)
- GLAB Studios (4)
- Recorded at:
- Studio M-Lab (1, 3–4)
- 821 Sound (2, 5)
Musicians
- And2ble – vocals
- Sam Carter – background vocals, vocal direction
- August Rigo – background vocals (1)
Technical
- The Stereotypes – programming (1, 3–4)
- Kim Tae-hyun – recording (1, 3–4)
- Choi Ja-yeon – recording (1, 3–4)
- Sam Carter – digital editing
- Lee Ji-hong – digital editing (1, 4)
- Woooooo0 – digital editing (1)
- Bob Horn – mixing (1)
- Jade Alysse Berry – mixing (1)
- Kwon Nam-woo – mastering
- Yoo Eun-jin – mastering assistance
- The Wavys – programming (2)
- Kim Min-hee – recording, digital editing (2, 5)
- Alawn – mixing (2)
- 9AM – programming (3–4)
- Kim Jeong – digital editing (3)
- Jaime Veloz – mixing (3)
- Shin Bong-won – mixing (4)
- John Mars – programming (5)
Charts
Weekly charts
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Monthly charts
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Certifications and sales
| Region | Certification | Certified units/Sales |
|---|---|---|
| South Korea (KMCA)[20] | 2× Platinum | 500,000* |
| Japan (Oricon)[18] | N/A | 24,134 |
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^shipments figures based on certification alone | ||
Release history
| Region | Date | Format | Label | Ref. |
|---|---|---|---|---|
| South Korea | May 26, 2026 | Compact disc | YH | [21] |
| Various |
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[15] | |
| Japan | June 5, 2026 | Compact disc | Sony Music Japan | [16] |
Notes
References
- ↑ Kang, Jo-hee (December 8, 2025). 이븐, 5인조로 재정비…유승언·지윤서 계약 종료 [Evnne reorganizes into a 5-member group… Yoo Seung-eon and Ji Yun-seo's contracts end] (in 한국어). Newsis. Retrieved October 7, 2026.
- ↑ Lee, Tae-su (February 12, 2026). 제로베이스원, 5인조로 재편…YH엔터 4인은 독자 활동 [Zerobaseone reorganizes into a 5-member group… 4 members from YH Entertainment to pursue independent activities] (in 한국어). Yonhap News Agency. Retrieved October 7, 2026.
- ↑ Lee, Da-gyeom (March 18, 2026). 제베원 장하오→한유진, 5월 앤더블 재데뷔?…소속사 "추후 안내" [공식] [Zerobaseone's Zhang Hao → Han Yujin, Re-debuting with Andouble in May?… Agency: "To be announced later" [Official]]. Maeil Business (in 한국어). Retrieved October 7, 2026.
- ↑ Hwang, Hye-jin (April 3, 2026). '이븐 탈퇴' 유승언, 장하오 리키 김규빈 한유진과 5인조 앤더블 데뷔 [Yoo Seung-eon, who left Evnne, debuts in the 5-member group Andouble with Zhang Hao, Ricky, Kim Gyu-vin, and Han Yu-jin]. Newsen (in 한국어). Retrieved October 7, 2026.
- ↑ Kim, Soo-young (April 6, 2026). YH 신인 앤더블, 5월 26일 출격…데뷔 전부터 핫하다 ['YH rookie' And2ble to launch on May 26... hot even before debut]. The Korea Economic Daily (in 한국어). Retrieved October 7, 2026.
- ↑ Park, Seo-hyun (April 27, 2026). 앤더블, 5월 26일 미니 1집 'Sequence 01: Curiosity'로 데뷔..새 흐름 만든다 [And2ble to debut on May 26 with 1st mini album Sequence 01: Curiosity... Creating a new trend]. Herald Muse (in 한국어). Retrieved October 7, 2026.
- ↑ https://sports.khan.co.kr/article/202604301433013
- ↑ 8.0 8.1 8.2 8.3 8.4 8.5 Jiang, Nancy (September 3, 2026). "With Their Debut, And2ble Wants to Take You Back to the 2010s". Billboard. ISSN 0006-2510. OCLC 732913734. Retrieved October 12, 2026.
- ↑ 9.0 9.1 Sequence 01: Curiosity (Liner notes). And2ble. YH Entertainment. 2026.
- ↑ Ha-nee, Shin (May 26, 2026). "And2ble, with more experience than the average rookie boy band, hopes to make fans 'curious'". Korea JoongAng Daily. Retrieved October 12, 2026.
- ↑ 11.0 11.1 11.2 11.3 Angelo Capariño, Ervin (June 4, 2026). "And2ble Tears Up the Rookie Playbook with 'Curious'". Pulp. Retrieved October 12, 2026.
- ↑ Park, Seo-hyun (May 26, 2026). 제베원·이븐 출신 모인 앤더블, 오늘(26일) 데뷔..'나다움' 무한 확장 [And2ble, comprised of former members of Zerobaseone and Evnne, debuts today (26th)... Infinitely expanding their 'authenticity']. Herald Muse (in 한국어). Retrieved October 12, 2026.
- ↑ Kim, Ji-ha; Kim, Han-gil; Kim, Jin-seok (May 31, 2026). 에스파·원위·아이딧·알파드라이브원·앤더블 [이번주 뭐 들었니?] [Aespa · Onewe · Idid · Alpha Drive One · And2ble [What Did You Listen to This Week?]]. TV Daily (in 한국어). Retrieved October 11, 2026.
- ↑ Shin, Dong-gyu (June 11, 2026). "Curious". IZM (in 한국어). Retrieved October 11, 2026.
- ↑ 15.0 15.1 And2ble (May 26, 2026). "Sequence 01: Curiosity". YH Entertainment under license to Kakao Entertainment. Retrieved October 6, 2026 – via Apple Music.
- ↑ 16.0 16.1 "Oricon Top 50 Albums: 2026-06-15" (in Japanese). Oricon.
- ↑ "South Korea Gaon Album Chart". On the page, select "2026.04.24-2026.05.26" to obtain the corresponding chart. Gaon Chart
- ↑ 18.0 18.1 "Oricon Top 50 Albums: June 2026" (in 日本語). Retrieved October 7, 2026.
- ↑ "Circle Album Chart – May 2026". Circle Chart (in 한국어). Retrieved October 7, 2026.
- ↑ "South Korean album certifications – AND2BLE (앤더블) – Sequence 1: Curiosity" (in Korean). Korea Music Content Association (KMCA).CS1 maint: Unrecognized language (link)
- ↑ And2ble (May 26, 2026). "The 1st mini album [Sequence 01: Curiosity] (Curious ver.)". YH Entertainment. Retrieved October 7, 2026 – via Weverse Shop.
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