Ai is the older of the twin Amatsu sisters and can be distinguished by her longer hair and ponytail. She tends to be the more-devoted to her obligations than her sister, Mai, though even Ai has her weaknesses.  Her weapon of preference is the bow.

The Demon King has arisen to enslave humanity with his legions of sex demons! Our only hope: the delectable yet deadly warrior twins Ai and Mai. But the sexy sisters are betrayed by an old friend, and it's not long before they're trapped and tortured mercilessly by monsters. Now only a miracle can save them. 

__Hobbies__:  Collecting accessories, Diving, Walking
__Skills & Abilities:__  Japanese drums

Mai and Ai Amatsu are beautiful and powerful twin sisters descended from a Tennyo angel. However, part of this legacy includes fighting off sex-starved demons and protecting the child-like boy Onimaro from evil forces. Can Mai and Ai carry out their mission in life and retain their chastity at the same time? 
(Source: Animetric.com)

1. (巫女姉妹－散華－) [Akiba Wataru]
 2. (狂想曲) [Fudou Ran]
 3. (羽衣・終わりなき舞) [Parfait]
 4. (魔根遊戯) [Nanase Mizuho]
 5. (天神様のセキュリティホール) [Ohta Takeshi]
 6. (堕天) [Takane Nohana]
 7. (鬼従) [Yamabuki Mukku]
 8. (自己犠牲の果てに) [inoino]
 9. (淫乳聖戦・亜衣) [Isono Toshiaki]