博雅の翼 (Hakuga no Tsubasa), meaning "The Wings of Knowledge" is an EP released by Deshabillz. It was released simoultaneously with the 透明繭～すかしまゆ～ EP. The first press came with an additional booklet with band photos. 静寂の花嫁 (Seijaku no hanayome) is a new version of a song from the Reste la demo tape (1993). 奴隷志願 (Dorei shigan) was also iddued in the free single 奴隷デモ、影デモイイカラ、束縛シテ欲シイアナタヘ… back in 1995. He clever would be later re-recorded for the major debut EP 冒涜喜劇. Music videos were filmed for 甘い香 (Amai kaori) and 奴隷志願 (Dorei shigan).