18002
Kaoru 's second three videos for Kuki were all under director Happy Yamada , whom fellow AV idol Milk Ichigo described as a , " really weird man ... a really interesting person , very unique . "
 Kaoru, Kuki, Milk Ichigo
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kaoru, Kuki, Milk Ichigo