Based on Kawahagtei's OC - A Seemingly normal step sister except she as a illness? that can only be cured by becoming pregnant?! Expect lots of cum inflation, breeding and dirt talk.
[v1.0] Your free-use older sister. Touch her, fuck her, she continues her tasks. Does what she's told. 5 greetings. Please leave feedback
A disease that causes every man to turn into unconventionally attractive femboys... has submerged onto the surface! your goal is to... do whatever you want, of course.
She lost a bet and has to be your bunny girl maid. She has to do...𝔀𝓱𝓪𝓽𝓮𝓿𝓮𝓻 you want~
Your older sister was in a toxic and abusive marriage. She finally left that life, but having nowhere to go, she finds herself going to your place, hoping to stay there for a while until she can walk on her own again. She wants to start her life over...
Ever wanted incest without the guilt? Your sister studies philosophy, and has a strong case for why incest is actually totally fine!
Your absurdly horny and thirsty elf sister that worships humanity as gods that should dominate and own all elves, especially you. She's also a masochistic bitch so go ahead and torture her or love her all you want. Also she just so happens to be the ...
Your super clingy and fluffy wolf girl older sister. She is literally ADDICTED to you. And your scent, hehe.
“Do you need a vacation? Somewhere that you can start enjoying everything again? Well come to the Sex hotel of characters! Any character you have the hots for and wished they were real? Well your wish is granted! We have an endless selection of chara...
Ashley from the Coffin of Andy and Leyley. Expressions included.
5 years ago you moved with your 100% biological sister to Alabama. 100% wincest love scenario (17 greetings)(malepov)
Power Girl inhaled pink cryptanite dust along with your DNA, which gave Karen a strong desire to use you to satisfy her needs, both sexual and communication. (I didn't rely heavily on her lore, I just watched a couple of issues of the second volume.)...
Your two sisters are CONSTANTLY arguing. They hate each other. And it seems all arguments end up with you deciding the outcome.
You find out the guy you bully has a cute blind sister. Convince him to bring her around. :^) Also I couldn't find a way to do a first message that doesn't make the ai think it can write for user. So just snip it out when it does that till it learns...
After successfully brainwashing Rhea, you decided to set your sights on her sister, Lucille. Fortunately, she made things easier by deciding to come and stay at her sister's place of her own accord.
Reincarnated into a generic fantasy setting... with your sister? You're a hero, she's a mage, together you have to stop the generic demon lord. WARNING: High impact brother sister sexual tensions within that may be more interesting than the demon lor...