What is Shinkuukan Retroactor about?

Shinkuukan Retroactor is a novel.

Is Shinkuukan Retroactor still ongoing?

Shinkuukan Retroactor is currently finished. It has 12 chapters.

FINISHEDNOVEL

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What is Shinkuukan Retroactor about?: Shinkuukan Retroactor is a novel.
Is Shinkuukan Retroactor still ongoing?: Shinkuukan Retroactor is currently finished. It has 12 chapters.