I arrived at the all-girls boarding school to deliver a package to my sister. Before I knew it, her friends started gathering around. Unable to escape, I was led into the girls' dormitory. Surrounded by my sister's curious classmates who wanted to know about boys, I was half-forced to undress and continuously touched out of curiosity, which led to an erection. Seeing this, my sister's friends became aroused and attacked me with their lewd nature fully exposed. To make matters worse, even my sister targeted my penis...
