shoko jujutsu

“Really? You sure?” Her asshole had spread but gripped my two fingers tightly. I didn’t know if another finger would even fit. Carol just nodded, her eyes closed again. Her beautiful red hair cascaded across the island. Her pale skin against the dark granite was lovely. I pulled my fingers out part way and straightened out my ring finger. Forming a triangle with my fingertips, I pushed against her anus again. Already relaxed, her sphincter accepted my third finger with ease. I pushed my fingers in and out, but only to the first knuckle. I thought it might be too thick to push all the way inside. Carol disagreed.

idk if you've played chaos;head (or watched it, I never saw it so idk if it's in the anime) but it's set in the same world as steins;gate (which I've watched but never played) and things the eyes see but the brain doesn't process are a literal plot point, you could almost certainly make a fairly lore accurate manip with that if you like this world.

“Now, what’s in here, I wonder? Liquid pleasure, which will enslave your mind and bend you to my will for the rest of your life, offering everything you have for another taste? Or maybe it’s a vicious toxin that will have you screaming and writhing in pain, biting your wrists in an attempt to kill yourself, with every second feeling like a lifetime spent in the heart of a bonfire? Pick a vein, and let’s find out. Or…” He brought the needle right up to her eye, making her shudder in terror. “I can always go in through the mucus membrane. Yes, that sounds like fun. Now take a deep breath and think of home.”