Sard Underground

The band formation has started in the December 2018 by introducing only Yua herself with the social network accounts creation.

In February, the band has announced 4 stable members and soon held first one-man live in the live venue Hills Pankojo Factory in Osaka.

In June, two cover songs has received a promotion: My Friend was promoted as a image song to the marathon event Tohoku Miyagi Revive and Makenaide as a theme song to the High School Basketball Winter Cup.[3]

The both of the songs has been included in the cover album Zard Tribute, which released on 18 September. The album debuted at number 24 on the Oricon Album Weekly Charts and charted 10 weeks.[4][5][6][7]

In November, they've appeared in the music event Onto along with the other artist from the same music recording label and their relative labels and held first one-man live in Tokyo.[8]

On February 10, the twenty-ninth anniversary of Zard's first single "Good-bye My Loneliness", the band released their debut single "Sukoshi Zutsu Sukoshi Zutsu." It is an unreleased song written by Zard vocalist Izumi Sakai and composed by frequent Zard collaborator Aika Ohno. The single was used as an ending theme to the anime television series Detective Conan, which featured many Zard songs from 1999 to 2008. A cover of Zard's first single and its B side "Ai wa Kurayami no Naka de" were also included on the regular and Detective Conan editions of the single, respectively.[9][10][11][12][13][14]

On June 3, the band released their second single "Korekara no Kimi ni Kampai," another unreleased song written by Sakai. It was composed by another frequest Zard collaborator, Daria Kawashima. The song was featured as the theme song of MBS's music television program +music. The single also included two new covers of Zard songs.[15][16][17]