Yaya Aizawa (愛沢 夜夜 Aizawa Yaya?) and Yuyu Aizawa (愛沢 湯湯 Aizawa Yuyu?) are twin sister who are 1st year Assault students of Tokyo Butei High. They follow Urara Takachiho as her servants.


The Aizawa twins are identical in appearance with green eyes and orange length shoulder hair in a bob style with a little piece of hair on the ton with Yaya pointing right and Yuyu pointing left. They twin are distinguished by their single-sided earphone like head band with Yaya wearing black one with a hiragana character 'や' and Yuyu being white with hiragana character 'ゆ'.


The Aizawa twins are very loyal to Urara, despite all the punishment they receive. However, they will show jealousy to anyone who Urara shows interest like with Urara relationship with Akari Mamiya.

Background Edit


  • The Aizawa twins earphones color and design are similar to the Yin-Yang symbol.
  • The Aizawa twins jealousy towards Akari is similar to Akari jealousy toward Kinji Tohyama relationship with Aria H. Kanzaki.
  • Yuyu gun is the same on James Bond, played by Pierce Brosnan, briefly used in Die Another Day (2002).
Hidan no Aria Series
Tohyama Family
Holmes Family
Hotogi Shrine
Vlad Family
GIII League
Regiment Hex
Agnes Institute
Other Characters
Hidan no Aria AA
Yagate Maken no Alicebell