[エウシュリー] 魔導巧殻～闇の月女神は導国で詠う～予約特典北方の超剛力軍DISC , [Eushully] Madou Koukaku ～Yami no Tsukimegami wa Doukoku de Utau～: reservation privilege “Hoppou no Chougouriki Gun Disc”