Sayaka Kurihara

The second maidservant of the household, Sayaka Kurihara is roughly the opposite of Tomomi in that she is upbeat, playful, talkative, and at times childish. Although she is unable to ever clearly remember, Sayaka did in fact used to be a renown promotional model and actress by the name of Ruri Yamato; acquired when she was found wondering the estate grounds by Gohei Harukawa. She is one of only two characters to have an ear piercing.

(Source: Wikipedia)