
Quick answer — 9mm Parabellum Bullet performed 1 anime theme, including "Wanderland" from RD Sennou Chousashitsu.
9mm Parabellum Bullet performed the anime theme songs "Wanderland" (RD Sennou Chousashitsu).
9mm Parabellum Bullet's first listed anime theme is "Wanderland", the opening of RD Sennou Chousashitsu.