Fun With Numbers: Evolving Oricon Totals and Delayed-Impact Manga Boosts

Those who follow manga sales are probably aware of the not-at-all-uncommon phenomenon where, following an anime that successfully catches people’s attention, every volume of the series, old and new, gets back on the Oricon weekly charts, and sometimes stays there for an extended period of time. The resulting re-chart numbers for the series can be broken down in a number of ways. I’m going to be looking on a particular test case (Nanatsu no Taizai’s performance over last Fall) which shows how those numbers can be interpreted.

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