Nagato Yuki-chan no Shōshitsu ; The Disappearance of Yuki Nagato ; The Disappearance of Yuki Nagato-chan ; The Vanishing of Yuki Nagato ; The Vanishing of Yuki Nagato-chan ; The Disappearance of Nagato Yuki ; The Disappearance of Nagato Yuki-chan ; The Vanishing of Nagato Yuki ; The Vanishing of Nagato Yuki-chan ; The Vanishment of Nagato Yuki ; The Vanishment of Nagato Yuki-chan ; The Vanishment of Yuki Nagato ; The Vanishment of Yuki Nagato-chan ; Ang Pagkawala ni Nagato Yuki ; การหายตัวไปของ