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Summary
"Volume 15 cover rough. Since by the plot stage it was already clear this volume would rival Volume 13 when it came to slaughter, I decided from the beginning that the cover would be focused on Index's representative of slaughter, Accelerator. The decision to make the cover a black and white shot of just Accelerator was agreed upon when the editor and I were speaking on the phone and we both suggested this same idea at about the same time. It's thanks to the range of characters that have appeared in this series as it has continued that we could go with a cover like this." ― Haimura Kiyotaka