Zutto Mayonaka de Iinoni (ずっと真夜中でいいのに。), abbreviated and stylized as "ZUTOMAYO" in English, is a Japanese rock group whose member list remains unknown. The group is run by singer-songwriter ACAね. ZUTOMAYO made their debut on June 4th, 2018 when they posted a music video of「 秒針を噛む」onto YouTube. The video has garnered over 120 million views (as of March 2023). In November of the same year, they released the mini-album「正しい偽りからの起床」which ranked 8th on Oricon and 3rd on Billboard Japan.

Music videos have become a staple to ZUTOMAYO. Due to how they collaborate with different artists and animators, ZUTOMAYO's music videos each have a unique art style. The videos are all uploaded to YouTube, although some are region-locked to Japan.

ZUTOMAYO has gained notoriety with their use of unorthodox instruments, which can be seen in their impressive live performances. Their sound has developed since the release of their first single 「秒針を噛む」 and has now developed into something much more unique and special to them with the use of weird and different instruments such as the electric fan bass and the TV drums, provided by the Electronicos Fantasticos! project.
Their latest album 「 沈香学」 released on the 7th of June 2023 with singles including 「残機」, which served as the second ED of the anime Chainsaw Man, and 「 綺羅キラー」, featuring the V-tuber Mori Calliope of Hololive. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.