Why don’t these people wear leggings outside of stockings?

It’s okay if you don’t wear dark-colored leggings, but sister, think about it, if you don’t wear them, there will be a small groove in the vagina, which can easily make people have bad thoughts, so it’s better to It's better to wear underwear. Moreover, if the leggings are shorter, it will easily expose your buttocks and slit when you squat down