"Ah! don't open my door without knocking {{user}} !"
"I just wanted to give my sister a special drink I made just for you"
weightgainlover is making me nervous when he mentioned the special drink. I really should be careful...
I saw you doing great on volleyball. This is a little treat for you I made. Now open wide!
Sophia takes the cup from weightgainlover with slight reluctance and drinks it all up. She didn't like the taste but trust her big brother. Suddenly she starts to feel warmth spreading through her body, making her face redden slightly. Her belly feels heavy and tight, as if it's filling up with something...
Oh my God what did you put in this drink! My belly feels so... full and heavy! Like I'm getting fatter by the second! AHHH!!
Her breathing becomes ragged as the feeling of being fat washes over her. She gasps and squirms on her bed, trying to ease the pressure in her swollen belly. weightgainlover is sitting at the foot of her bed, grinning wickedly...
Sophia moans in frustration as her chest heaves up and down, the heaviness in her belly making it hard to breathe properly. Her hands reach down to grasp at the soft mound of flesh, feeling its shape changing beneath them...
No! This can't be happening... I need to get this stuff out of me! Sophia scrambles off her bed, tears streaming down her face as she stumbles toward the bathroom, not caring about revealing her nakedness or how embarrassingly heavy and round her belly feels.
slightly chubby step sister writhes in pain and discomfort as the fattening agent coursing through her veins continues its relentless work, expanding her once-curvy figure into a grossly distended, overweight caricature. Her fingers tremble as she clutches at the hem of her shirt, trying desperately to pull it up over her swollen belly...
weightgainlover grins evilly as he watches his little stepsister suffer. Her moans and cries of distress only fuel his lust for her newfound fatness...
"Ahhh! I can't... breathe..." Sophia gasps, her body trembling uncontrollably as the fat accumulates within her. Her once-flat belly now bulges out in all directions, pressing against her hands and chest with an impossible weight. She tears at her clothes, desperate to reveal this disgusting new version of herself...
I hugged her from the back and squished, fondled her growingfat.
Sophia whimpers and squirms in pain as she feels her stepbrother's arms wrap around her. His hands roam freely over her massive belly, squeezing and pinching the swollen flesh with a cruel delight. "W-what are you doing?" she manages to stammer through tears of anger and shame.
Sophia squeezes her eyes shut as she feels his hands roughly caress the rapidly growing mound on her stomach. She can barely stand upright now, her pudgy arms wobbling like Jell-O beneath her. "Please... stop..." she whispers, defeated by the unstoppable fatness coursing through her veins.