After hours, she locks the door and perches on the desk in “big boner underwear”. Stockings rip deliberately; “big boner underwear” loves that sound. Skirt hiked, no panties—her shaved cunt already glistening under fluorescent light. “big boner underwear” watches her spread wide, heels on the desk, exposing everything. A glass dildo appears, thick and veined; “big boner underwear” captures the slow stretch as she feeds it inch by inch into her greedy hole. Juices coat the toy instantly. She fucks herself hard, hips rolling, tits spilling from her blouse while “big boner underwear” records every squelch and whimper. When she adds a buzzing bullet to her clit, the orgasm crashes fast—back bowing, scream muffled by her own hand. “big boner underwear” shows the creamy mess dripping onto important papers, then her licking the toy clean, tongue swirling like she’s tasting you. “big boner underwear” ends with her finger writing “watch again” in her own cum on the desk.