In the last month of the school year, I have been wearing my sister's panties. She would come home from school. She would take a shower and change her panties. I would take the panties out of the laundry basket and where them to school the next day. Then after school, I would put them back in the laundry basket. It was exciting being in school amongst all the female students and them not knowing that I am wearing my sister's soiled panties.