Headbutt his dick.

Shiki had to fight. The urge to suck his cock was strong, but her will to get out of this, her will to be independent and free was stronger. "Hnngh!" She slammed her head into the man's cock, causing him to lurch over in pain, as she let go of her cunt and attempted to stand up. Her legs had gone weak and numb after all he had done, and Shiki still wasn't fully rested. He had fucked her into the night, and had left her sore and tired all over. With him keeled over and groaning in pain there should be enough time for Shiki to go and get out of here. Getting her weapon was too risky with how far it was behind the drawer.

However, just as she stepped over him, he grabbed her legs, and pulled her to the ground. "Get over here Bitch..! Gonna teach you some manners!" Shiki tried to kick him off, but his grip was too strong, even for a man who had just been butted in the crotch. He quickly got over onto her, and after turning her over, put his strong hands over her throat, and squeezed.

"Gunnhg! GUUHG! NNHHNG!"

Her life was flashing before her eyes. She reached for his wrists, trying to pry and pull his hands off her, but he was too strong. There was no way that Shiki could win, not in this state. She was just too weak and tired. Even with her Mystic Eyes, she couldn't focus at all. Her eyebrows twitched, pupils rolling as her mouth began to bubble and foam.

Before long, Shiki stopped moving, gurgling before becoming utterly silent...