Found 2 blackmailed literotica Stories

"Please... I'll do anything you say. I'll even be your slave."
"I'm sorry." Freida began to sob. Once the tears started, it was impossible to turn off the floodgates. "I'm sorry. I'm sorry."
"No. Shush," he said, pulling her in for a tight hug. He stroked her hair gently, and she almost felt comforted. "You aren't sorry. Not sorry enough."
"Not Yet."
Freida knew she would regret making such promises to a guy like Damon—a sadistic bully who would show her no mercy—but she had no other choice....

Alice only wanted to help her younger brother when she confronted his bully. She ends up agreeing to do whatever Adam wants in return for him leaving her brother alone. He goes one step further, befriending and protecting her brother, but only for as long as Alice agrees to follow his orders. Orders that become increasingly difficult for her to agree to.