P-Model made a demo in 1979 to obtain a recording contract; it features 2 songs, each one being composed by Susumu Hirasawa and , P-Model's main songwriters at the time. The band negotiated with 8 record labels, in the end, they chose to sign a contract with Warner-Pioneer, all P-MODEL releases from 1979 to 1981 (3 albums and 3 singles) were handled by Warner-Pioneer, including IN A MODEL ROOM, the album where both of these songs were included. Hirasawa also gave a copy to Plastics keyboardist Masahide Sakuma after a Plastics show after asking him to produce In a Model Room, which Sakuma accepted. Due to the demo nature of the recordings, they are rawer and punkier than the studio recorded versions. The demo was released by Hirasawa's SYUN label in 1994 as a bonus for those who bought both