Le Fay Pendragon

Le Fay is a happy, enthusiastic, and outgoing young woman. She often displays an expressive face. She is also shown to be very polite, addressing everyone, friend or foe, with the honorific "-sama". She is shy when it comes to lecherous situations and acts surprised when she witnesses such situations, causing her to stutter her words. She also has a small fear of insects.

(Source: Highschool DxD Wiki)