Does it get worse for her?

She runs into professor Snape

(All charcters are 18+)

Hermione scurried down the corridor, her heart pounding against her ribs with each frantic step. The stone floor was cold beneath her shoes, and she could feel the last remnants of her dignity hanging by threads—literally. Her purple panties were now more a suggestion than a garment, the waistband barely clinging to her hips. The moth-eaten pink bra wasn't faring much better, the fabric so frayed that it offered little coverage, revealing more than she ever intended to show in public.

Just as she rounded a corner, she collided head-on with a tall, dark figure. Hermione stumbled back with a gasp, her eyes widening in horror as she recognized the greasy black hair and hooked nose of Professor Snape. His black robes swirled around him as he regarded her with cold, disdainful eyes.

"Miss Granger," he drawled, his voice dripping with contempt. "What a pleasure to find you wandering the halls with so little regard for where you are walking. And in such..." his eyes flickered down with dark distain. "...revealing attire. One might almost think you were seeking attention."

Hermione's cheeks burned with shame. "Professor, I—there was a spell—"

"A spell?" Snape interrupted with a sneer. "How convenient. Always an excuse with you Gryffindors. Breaking decency rules now, are we? I suppose you thought your intellectual superiority placed you above such trivial matters as proper dress."

"But Ginny—"

"Silence!" Snape snapped, his eyes glinting with malicious satisfaction. "Twenty points from Gryffindor for indecent exposure. And another ten for your pathetic excuses."

As he spoke, Hermione felt the last threads of her panties give way. The fabric fluttered to the floor, leaving her completely exposed from the waist down. She let out a gasp, instinctively covering her bare naked, 18 year-old mound with her hands.

Snape's thin lips twisted into a cruel smile. "Oh dear, losing your remaining modesty? How fitting for the know-it-all who always has the right answer. Perhaps this experience will teach you that there are consequences for your actions."