
Quick answer — Black Raison d'être performed 2 anime themes, including "INSIDE IDENTITY" from Love, Chunibyo & Other Delusions, "Van!shment Th!s World" from Love, Chunibyo & Other Delusions - Heart Throb -.
Black Raison d'être performed the anime theme songs "INSIDE IDENTITY" (Love, Chunibyo & Other Delusions), "Van!shment Th!s World" (Love, Chunibyo & Other Delusions - Heart Throb -).
Black Raison d'être's first listed anime theme is "INSIDE IDENTITY", the ending of Love, Chunibyo & Other Delusions.