Sophie's Submission - Chapter 10 | Fet Library

Novella

Korvalain presents

Sophie's Submission

4.3 (3)

BDSM
Bondage
Erotic Sensory Deprivation

Chapter 10 of 20

Breaking Kalani

While Sophie was being gently but relentlessly molded in the Reflection Chamber, her sister Kalani endured a far harsher regimen in the Punishment Wing. Her lingering fire—her refusal to fully submit—had marked her for accelerated severity. The trainers had decided she needed to be broken harder and faster.

Kalani was strapped to a heavy steel examination table, legs locked in extreme stirrups that tilted her hips upward and spread her obscenely. The custom chastity belt with no rear shield gleamed between her thighs. A large Foley catheter was locked inside her bladder, its tube running to a collection bag that the trainers controlled. She had no say in when—or if—she was allowed to urinate. The constant fullness and the humiliation of total loss of control tormented her.

Her anus, however, received the most attention.

Every single day they trained it. The instructors loved how her once-tight hole had been turned into a soft, puffy, visibly gaped entrance after weeks of relentless use. Today was no exception.

“Still resisting, little firebrand?” Trainer Marcus mocked as he selected a thick, rigid black rubber dildo—much harder and less forgiving than silicone. “Your sister is already learning to love her place. You’re still fighting. So we fight back.”

Kalani glared at him through tear-filled eyes, but the ring gag kept her silent. Inside, she was miserable. My ass… they’ve ruined it. She could feel the constant, loose sensation even when nothing was inside her. The daily stretching had left her hole slightly open, twitching, and far too sensitive. Every time they removed a toy, cool air would brush the stretched rim and she would clench uselessly around nothing.

Marcus didn’t wait. He drove the hard rubber dildo deep into her gaped anus in one brutal thrust. Kalani screamed around the gag, her body arching. The rigidity offered no give—it forced her walls open wider, stretching her mercilessly. He activated the fucking machine. It began pounding her with long, powerful strokes, the hard rubber battering her insides without mercy.

While the machine worked her ass, the catheter bag remained clamped. The pressure in her bladder built painfully. She desperately needed to piss but couldn’t. The trainers laughed at her squirming.

“Beg with your eyes, slave. Maybe we’ll let you empty that bladder… after you take the next size.”

Kalani’s resistance cracked further with every thrust. The gape they had created obsessed her. She could feel how open she was now—how easily the machine invaded her. The lack of control over her own body was devastating. The Foley catheter made her feel like a literal object, a set of holes to be managed.

When they finally unclamped the catheter, she wet herself helplessly while the machine continued fucking her ass. The warm urine ran down into a drain beneath the table as the trainers watched and commented crudely.

“Pathetic. Can’t even hold her piss like a proper human anymore.”

They swapped to an even larger, harder rubber toy. Kalani sobbed as it forced its way into her already-gaped, abused hole. The machine resumed its merciless rhythm. Electricity surged through pads on her nipples and the chastity belt’s probe, edging her viciously while punishing any attempt to clench or resist.

Inside her head, the same Rules played on repeat that her sister was learning—but for Kalani they were delivered with harsher shocks whenever defiance flickered across her face.

She was breaking. Slowly. Painfully. The daily anal training and total urinary control had become her private hell. Every time they removed the toys, she felt the humiliating emptiness and looseness they had created. Every time the catheter was managed for her, she felt less and less human.

By the end of the session, Kalani hung limp in the restraints, drooling around the gag, her gaped anus twitching around the thick rubber still buried inside her. The fight was still there… but it was growing quieter.

The trainers noted her progress with satisfaction. “A few more weeks and she’ll be just as eager as her sister.”


© 2026 Korvalain · All rights reserved