As the Princess’s Body Double, I Am Honestly Sorry That The Siscon Prince Has Persistently Ruined My Cover by Saying ‘Do You Think You’ve Become My Sister?’

I pride myself on being a first-rate body double. Not only do I look like her, I can imitate her every move. But that spiteful Prince Sylvan, the princess’s older brother, always sees through my disguise on the first try and says “Do you think you’ve become my beloved sister?” Yes, the prince is a serious siscon. “Sigh, you are as naive as ever. Do you mean to impersonate my sister?”