Tsukimegami Gaitōyami

 (月女神外套闇), also known by the name Tsukimegami Gaitōyami Maboshīzukō (月女神外套闇眩しい頭光) in Bankai is the manifested spirit of Nisshō Nasuhara's Zanpakutō. She is the oldest, strongest and only known resistance-type Zanpakutō in the Soul Society.