Acid Black Cherry is Janne Da Arc vocalist Yasu's solo project. The band's name is often seen shortened to "A.B.C.".


Throughout the month of May 2007, Yasu and Acid Black Cherry went on a secret nationwide tour of Japan, culminating in a show in Shinjuku which was webcast live to the world.

Their first single, SPELL MAGIC, released on July 18, 2007, debuted at #4 on the Oricon Singles Charts in Japan. ABC's second single, entitled Black Cherry, was released on September 26, 2007, and was followed by a third single on November 28, 2007, Aishitenai. Their fourth single, Fuyu no Maboroshi, was released on January 16, 2008 to the number one spot on the Japanese Oricon Singles chart.

Acid Black Cherry's first album, BLACK LIST, was released on February 20, 2008. Additional guest artists appeared on this album, notably Daita and Jun-ji (ex members of Siam Shade fame) on guitar and drums respectively. Jun-ji is also a consistent member of Acid Black Cherry for touring and events.

On August 27, 2008, Acid Black Cherry released their fifth single, 20+∞ Century Boys.

On November 2008, Acid Black Cherry released their sixth single, Jigsaw, based in small part on the American movie SAW, of which yasu is a fan. The song reached third place on Japan's Top 50 songs which became a sensation to the population of Japan.

On February 18, 2009, Acid Black Cherry released their seventh single, Nemuri Hime.

On July 29, 2009, Acid Black Cherry released their eighth single, Yasashii Uso.

On August 26, 2009, Acid Black Cherry released their second album Q.E.D. A story about the album was published on the official site ahead of its release, describing a murder case and the search for its culprit.