空気
　words: Rina Aiuchi　　music: Terukado　　arrangement: DJ ME-YA
　　electric & acoustic guitars: Takashi Masuzaki from DIMENSION
　　keyboards: Akira Onozuka from DIMENSION
　　chorus: Keiko Utoku
Silver hide and seek
　words: Rina Aiuchi　　music: K's letters　　arrangement: Yoshinobu Ohga
　　guitars & all instruments: Yoshinobu Ohga
　　chorus: Keiko Utoku
∞INFINITY -night clubbers mix-
　words: Rina Aiuchi　　music: Terukado
　remixed by night clubbers
空気 -instrumental-