Anna Erica

She is the famous student council president of middle school of nobles . her current parents think she is their daughter but in reality she is not their child but her father is the late head of the Anna house , her grandfather in name , and her mother was a prostitute of the Black Forest . Erica found out about it and did everything to find her elder sister and eventually they both become Yoshida Yoshinobu women . First appearance in chapter 1132 deflowering chapter 1157.