What is Jaa, Kimi no Kawari ni Korosou ka?: Prequel about?

Jaa, Kimi no Kawari ni Korosou ka?: Prequel is a manga.

Is Jaa, Kimi no Kawari ni Korosou ka?: Prequel still ongoing?

Jaa, Kimi no Kawari ni Korosou ka?: Prequel is currently ongoing.

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Jaa, Kimi no Kawari ni Korosou ka?

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Story

What is Jaa, Kimi no Kawari ni Korosou ka?: Prequel about?: Jaa, Kimi no Kawari ni Korosou ka?: Prequel is a manga.
Is Jaa, Kimi no Kawari ni Korosou ka?: Prequel still ongoing?: Jaa, Kimi no Kawari ni Korosou ka?: Prequel is currently ongoing.