Mouse on the Keys is a Japanese post-rock band from Tokyo. The group released their debut EP Sezession in 2007. Their first full-length album, An Anxious Object, followed in 2009 under Machu Picchu Industries. In September 2015, they released their second studio album, The Flowers of Romance. The band's discography includes notable EPs such as Machinic Phylum (2012) and Out of Body (2017). Mouse on the Keys collaborated with Masahiro Tobita and Yuri Kamo on the single "Circle" in February 2019. In 2022, they released their latest single "The Dawn".