76171
A set of six drama CDs were created based on the video game " Yoake Mae yori Ruriiro na - Brighter than dawning blue - " , entitled released between April 21 , 2006 and September 22 , 2006 at roughly one-month intervals by Marine Entertainment .
 Marine Entertainment
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Marine Entertainment