After the breakup of the band Gullet in 2004, Ryo focused on his design work by removing himself from music activities for three years.
Without any expectation of making a new band, guitarist Uta and bassist Hati asked him to work with them.
In December 2007 they created the independent record label Dalli and started their official website.
Due to the increasing number of orders, additional copies were made of the album after its release.
One year later, they began recording their first full album, Tanatos (as an allusion to death); which was later released in March.
By the end of April, they started a coupling tour "Inu no Atama to Kuroyagi Suupu" (Dog Head's and Black Goat's Soup) with the hard rock band Inugami Circus-dan.