heidi. are a Japanese visual kei rock ensemble from Tokyo established in 2006. The group consists of the musicians Yoshihiko, Nao, Kohsuke, and Kiri. They achieved professional recognition for a musical style characterized as alternative rock and indie rock. Their recording career began with the performance at their first one-man show Birthã»Day (2006) and the track âYuuyake to Kodomo / Mariaâ (2006). They achieved professional recognition for the extended play Crying (2006) and the studio recording Kasou (2007) which reached number 132 in Japan and number 3 on the Oricon Indies Chart. Their discography included the track âSynchro / Hyururiâ (2007) which reached number 67 and number 2 on the Oricon Indies Chart. The ensemble achieved professional recognition for the track âRemâ (2008) which reached number 44 and number 2 on the indies chart. They achieved professional recognition for the track âYokanâ (2010) which reached number 32 and served as the theme for the television program Kaichou wa Maid-sama!. Their recording career included the studio recording Senkou Mellow (2010) which reached number 41 and the track âGekkou Showtimeâ (2011) which served as the theme for the film Maebashi Visual Kei. They achieved professional recognition for the compilation recording Kaisou heidi. Indies Best (2012) which reached number 63 and the studio recordings HyÅhon (2019) and Que Sera Sera (2018).