ZEROBASEONE Timeline

ZEROBASEONE released the "Moving version" of their dance practice video for "TOP 5," their first comeback track after reorganizing as a five-member group.

Local reports say the quartet of former ZEROBASEONE members is targeting a May 26 debut under the name N Double.

Former ZEROBASEONE members Zhang Hao, Ricky, Kim Gyu Vin, and Han Yu Jin are reported to debut with additional members as the group NDOUBLE.

Release of Zerobaseone's sixth EP 'Ascend-', which features a self-produced track highlighting the members' growing creative involvement and marks a new artistic direction for the group.

Zerobaseone will release their sixth EP 'Ascend-', the group's first release as a five-member act.

Zerobaseone underwent a major reorganization and restarted activities as a five-member group.

Zerobaseone has undergone a major reorganization and will restart as a five-member group, per a Yonhap report datelined May 18, 2026.

ZEROBASEONE will release its sixth mini-album, "Ascend-", featuring seven tracks including the title song "TOP 5" and B-sides "Intro.", "V for Vision", "Customize", "Exotic", "Changes" and "Zero to Hundred."

Zerobaseone will return with their sixth EP "Ascend-" on May 18, 2026; this will be the group's first release as a five-member act.

ZEROBASEONE's first mini album as a five-member group, Ascend-, debuted at No. 2 on Circle Chart's weekly physical album chart for the week of May 17–23, 2026.

The group is set to make a comeback in May 2026 following their reorganization to a five-member group.

Both teams originating from the ZEROBASEONE project are expected to launch activities around the same time in May 2026. The four returning members are preparing to re-debut as a new boy group, tentatively known as "NDouble."

Industry sources reported ZEROBASEONE is preparing to release a new album in May 2026; this will be their first comeback as a five-member group.

ZEROBASEONE unveiled a teaser video labeled "A-Film."

Rookie group AND2BLE (featuring former ZEROBASEONE and EVNNE members) released unit photos, four-cut photo booth shots and ID-style portraits through official channels.

YH Entertainment's new five-member boy group AND2BLE launched official social media accounts and released an official logo motion teaser. The group consists of former ZEROBASEONE members Zhang Hao, Ricky, Kim Gyu Vin, and Han Yu Jin, along with former EVNNE member Yoo Seung Eon.

ZEROBASEONE released a new set of profile photos at midnight KST to mark the start of their second chapter as a five-member group; WAKEONE has not announced a comeback date.

YH Entertainment's new boy group AND2BLE — which will include former ZEROBASEONE members Zhang Hao, Ricky, Kim Gyu Vin, and Han Yu Jin — launched their official Instagram account and revealed their first teaser image.

ZEROBASEONE released an "Official Logo Move" video introducing their brand-new logo, kicking off a new era as a five-member group.

THE L1VE released an official statement threatening legal action to protect its artist from malicious posts, comments and violations of privacy concerning ZEROBASEONE's member Sung Han Bin.

Originally a nine-member act, ZEROBASEONE wrapped up its original formation following a concert at KSPO Dome and later reorganized as a five-member group (Sung Han-bin, Kim Ji-woong, Kim Tae-rae, Matthew Seok and Park Gun-wook).

ZEROBASEONE member Park Gun Wook was announced as one of the new MCs for Mnet's M Countdown.

Zerobaseone became a five-member group following the departure of four members in March.

ZEROBASEONE, originally formed for a two-and-a-half-year run, recently extended activities by two months with promotions now set to conclude in March.

The project group Zerobaseone, overseen by WakeOne, is set to disband in March 2026.

Agency YH Entertainment said four members of zerobaseone have decided to take a breather before their next step once the group's project ends in March 2026; the company is reviewing individual opportunities and will make further announcements in time.

WAKEONE, agency of ZEROBASEONE and ALPHA DRIVE ONE, announced on 2026-02-20 that it is pursuing legal procedures regarding acts infringing on the personal rights and reputations of its artists.

ZEROBASEONE's special limited album RE-FLOW re-entered the Circle weekly album chart at No. 2 for the week of Feb 15–21, 2026.

WakeOne said Zhang Hao, Ricky, Kim Gyu-vin and Han Yu-jin have terminated their project contracts and will prepare for new individual activities.

WakeOne announced that Zerobaseone will continue activities as a five-member group with Sung Han-bin, Kim Ji-woong, Seok Matthew, Kim Tae-rae and Park Gun-wook.

Announcement that K-pop project boy group Zerobaseone will continue activities as a five-member group.

WAKEONE announced ZEROBASEONE will continue as a five-member group consisting of Sung Han Bin, Kim Ji Woong, Seok Matthew, Kim Tae Rae, and Park Gun Wook.

ZEROBASEONE members Seok Matthew and Park Gun Wook signed exclusive contracts with WAKEONE (announced by WAKEONE).

Zerobaseone's special limited album Re-Flow is scheduled for release.

WakeOne Entertainment announced Zerobaseone will roll out a limited edition special album titled "Re-flow" on Feb. 2.

Zerobaseone will release a limited-edition special album titled "Re-flow"; the group extended activities by two months after originally slated to disband in January.

Zerobaseone to release a limited edition special album titled 'Re-flow', conveying the members' candid emotions and memories; the group extended activities by two months and will roll out the album on the listed date.

"Roses," Zerobaseone's single dedicated to fans and the second prerelease from their special unlimited album, is scheduled to release on Friday.

A trailer video containing a snippet of "Roses," Zerobaseone's fan-dedicated single, was shared via agency WakeOne Entertainment.

On January 10, Park Gun Wook donated 11 million won to the Hope Bridge Korea Disaster Relief Association to support the 'Hope Lunchbox' program for children at risk of food insecurity.

The 40th Golden Disc Awards ceremony was held at Taipei Dome, featuring performances from various artists including ZEROBASEONE's Sung Han Bin.

ZEROBASEONE member Han Yu Jin was among the stars who graduated at Hanlim Arts School's graduation ceremony held on 2026-01-08.

Zerobaseone is listed in the lineup for MyK Live, a two-night K-pop concert as part of the 2026 MyK Festa.

ZEROBASEONE was included in the first artist lineup unveiled for the 2026 SBS Gayo Daejeon Summer music festival.

Zerobaseone scored six consecutive million-selling albums.

Zerobaseone is returning with its new album 'Ascend-', embracing sophisticated contemporary R&B and a minimalist sound.

Seok Matthew is one of the five members who decided to continue activities as Zerobaseone after the project's termination.

Ricky was among the four members who left Zerobaseone after the project's termination and debuted again as part of a new boy group.

Zhang Hao was among the four members who left Zerobaseone after the project's termination and debuted again as part of a new boy group.

After the 2 1/2-year project terminated, Zerobaseone reorganized and continued activities as a five-member group (Sung Han-bin, Kim Ji-woong, Seok Matthew, Kim Tae-rae, Park Gun-wook) while four members left.

Following their encore concert, the nine-member project group has effectively come to an end. Five members (Sung Han-bin, Kim Ji-woong, Seok Matthew, Kim Tae-rae and Park Gun-wook) will continue activities under the ZEROBASEONE name, while four members (Zhang Hao, Ricky, Kim Gyu-vin and Han Yu-jin) have returned to their original agencies.

ZEROBASEONE recently recorded its sixth consecutive million-seller album (year not specified in article).

Zerobaseone announced as a headliner for KCON LA 2026.

KCON announced that ZEROBASEONE will be a headlining act at KCON LA 2026.

ZEROBASEONE members Zhang Hao, Ricky, Kim Gyuvin and Han Yujin opted not to extend their contracts with the group's agency and are preparing to debut as a separate act.

Four members told fans in January that they are preparing for the next chapter through agency YH Entertainment, confirming the group's disbandment.

"Roses" was released ahead of the full Re-Flow release.

"Running to Future" was released ahead of the full Re-Flow release.

ZeroBaseOne are listed among the leading acts in 2025 album sales (data through November).

Zerobaseone's album "Never Say Never" placed No. 7 on the IFPI Global Album Sales Chart for 2025.