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A bonus two-part side story , called , also illustrated by Nikubanare , was released by Kadokawa Shoten on September 9 , 2011 .
 Kadokawa Shoten
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kadokawa Shoten