Effective period / Period of releases: 2021

Members: 大森靖子, 戦慄かなの, Aizome Karen, Nishii Marina, Shizume Nodoka, Yachia Riko, Kannagi Maro, Kashii Katy, Unagi Sayaka, かてぃ

ZOC (ゾック) is a Japanese idol group originally formed in September 2018. They are produced by Oomori Seiko.
On July 15, 2020, it was announced that they would be suspending activities in preparation for a period of reflection.
On August 25, 2020, it was announced that ZOC would be restarting activities on August 30, 2020 with an online performance of @JAM. The new system with management had not been fully decided yet.
On October 1, 2020, it was announced that they would be have their major debut under avex trax.
In January 2021, it was announced that ZOC will be having auditions to recruit new members. On May 13, 2021, the audition winner was officially revealed.
On July 7, 2022, ZOC changed its name to Metamuse immediately following their final performance of ZOC RPG TOUR 2022. The new name is meant to convey their new concept titled "Real Image Worship".
On September 9, 2023, it was announced that METAMUSE will restart as the new ZOC at the TOKYOPINK FES ~Special Edition~ event on November 11, 2023, reverting back to its original name.
On March 7, 2024, it was announced that ZOC will temporarily suspend activities following performances in March 2024.

The group's name stands for Zone Of Control.

Current Members
Aizome Karen (藍染カレン; Fighter Red) (Founding member)
Chao Aimi (荼緒あいみ; Loveberry Mouve) (Joined November 11, 2023)
Oomori Seiko (大森靖子; Tokyo Pink) (Founding member)

Former Members
Kitoki Fin (葵時フィン; Yellow) (Founding member; left October 2018)
Unagi Sayaka (兎凪さやか; White) (Founding member; withdrew December 23, 2019)
Senritsu Kanano (戦慄かなの; Light Blue) (Founding member; graduated July 8, 2020)
Kashii Katy (香椎かてぃ; Smoke Violet) (Founding member; graduated February 8, 2021)
Kirano Jonah (吉良乃ジョナ; Baby Blue Drive) (Joined December 17, 2021; dismissed May 28, 2022)
Nishii Marina (西井万理那; Party Orange) (Founding member; graduated March 31, 2024)
Kannagi Maro (巫まろ; Marron Cream) (Joined March 27, 2020; graduated March 31, 2024)
Shizume Nodoka (鎮目のどか; Neverland Green) (Joined May 13, 2021; graduated March 31, 2024)
Yachia Riko (雅雀り子; Midnight) (Joined October 1, 2020; graduated March 31, 2024)