sex on the bathtub features librarian Elise after hours among towering shelves. Her glasses fog as she’s gently pressed against leather-bound volumes by an eager patron. In sex on the bathtub, buttons pop one by one, revealing lace beneath conservative attire. The scent of old paper mixes with desire in sex on the bathtub while whispered page numbers become moans. She climbs him like a ladder, legs locking around his hips, books tumbling unnoticed as they reach a hushed but explosive climax in sex on the bathtub.