Raison d'être

Raison d'être is the 12th single by Nightmare. It was released on 	June 6, 2007, and peaked at #3 on the Oricon single chart.

Single Information
The tracks Raison d'être was used as the opening theme for the anime Claymore.
 * Catalog Number:
 * VPCC-82276 (Type A)
 * VPCC-82605 (Type B)
 * VPCC-82215 (Anime Edition)
 * Lyrics: RUKA
 * Composition: RUKA
 * Arrangement: RUKA

CD

 * 1) Raison d'être (レゾンデートル)
 * 2) Jojouteki ni Sugita Jikan to Fukakutei na Mirai e no Requiem (叙情的に過ぎた時間と不確定な未来へのレクイエム)
 * 3) Criminal baby

Type A DVD

 * 1) Raison d'être (Video clip)

Type B DVD

 * 1) Criminal baby (Video cip)
 * 2) the WORLD Ruler & Raison d'être (TV SPOT/commercial)