One of the 3 girls is an ENF!
Those three girls were dared by their partners to go outside in public wearing nothing but their panties! Two of the girls were drunk enough to brazenly do the dare, proudly baring their breasts and letting the fresh evening air harden their nipples but the third girl got all shy and embarrassed. Even though she was as naked as the other two girls, she just couldn’t steal herself to expose her breasts and tries to hide them!
See even more embarrassed nude females at RUDE DARES!
Why do superheroes wear their knickers on the outside of their costumes?? And why doesn’t Supergirl??