Trivia / The Unexplored Summon://Blood-Sign

• No Export for You: So far this series has not been officially published in English.
• Working Title: A lot of titles were proposed for the series, before settling on the current one. Some examples include "White Queen and Blood Sign", "Alice (with) Rabbit - Unkilling King" and "Concerning the Matter of my Former Girlfriend being the Last Boss".
• Writing by the Seat of Your Pants: According to Volume 10's afterword, the series was conceptualized as a more classical battle story than it ended up being. In the original, the White Queen remained villainous, and was slain at the end by Kyousuke and Higan (who was a main character). Apparently Kamachi enjoyed the changes.

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