Nagato Yuki-chan no Shoushitsu: Toaru Ichinichi (とある一日, The Disappearance of Nagato Yuki-chan: A Certain Day) is a third-party light novel based on The Disappearance of Nagato Yuki-chan.

It is a collection of short stories based on the events of volumes 1 and 2 of the manga. It is sold by Kadokawa Sneaker. It contains 36 chapters.

References

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