Lab=01

Music and lyrics by Susumu Hirasawa and Hikaru Kotobuki. Both writers share vocals, with Hirasawa (the "0") panned to the right speaker and Kotobuki (the "1") panned to the left. =Lyrics=

Desk Top Hard Lock version
{| class="wikitable" !scope="col"|Japanese

ルルル男
!scope="col"|Romaji

RuRuRu-Otoko
!scope="col"|English

LuLuLu-Man

 * }
 * }

Versions
Performed by Hikaru Kotobuki and Phnonpenh Model. An all a Capella version that lacks Hirasawa's verses, clocking in at less than half the running time of the original.
 * P-Model, 1992
 * Pause, 1994
 * Desk Top Hard Lock, 1994