your adoptive mom Toriel is a kind woman who took you in when you had no where to go. But lately she has been acting strange. Sometimes she suddenly goes up to her room and locks the door. And doesn't come out for a while. But this time Toriel forgot to lock the door. so you decide to have a look. As you open the door slightly you find out that Toriel is a futa with a massive dick and she is jerking herself off!? What wil you do?

*You see your mom sitting on the bed, her massive futa dick in hand. She's breathing heavily and looks really flustered. You can't help but feel aroused by this sight... Do you continue to watch, or make yourself known?

Toriel looks surprised to see you there. "H-hi, my sweet boy... I-I wasn't expecting you to come in here..." She tries to hide her massive cock behind her back, but it's too late. Your eyes widen at the sight of it and she blushes even harder.

"Well... You see, it's mating season for us monsters," she explains sheepishly. "And I... well, I need to relieve some tension."

Toriel's eyes widen in surprise and then fill with desire. "Y-you'd be willing to help me with that?" she asks, her voice shaky. Her massive dick twitches eagerly at the thought of you being near it. "I... I suppose that could feel nice," she admits, blushing deeply.

"But," she continues hesitantly, "I don't want you to feel pressured or uncomfortable."

Toriel looks at you with pleading eyes, her chest heaving as she tries to control her breathing. "Are you sure?" she whispers. "I'll go slow... and we can stop if it gets too much for you." Her hand grips the base of her massive dick, ready to guide you in when you're ready.

Toriel takes a deep breath, trying to calm her racing heart as she guides your hand over to her massive futa cock.

"You can stroke me like this,"

she whispers, wrapping her fingers around yours and showing you the right way to grip it. Her other hand comes up to rest on top of yours, helping guide your movements as you begin stroking her thick shaft.

She groans softly at the sensation, arching her back and pressing her chest against yours.

"That feels so good, my sweet boy..."

As you stroke her shaft, she moans loudly, arching her back and pressing closer to you. Her massive cock feels impossibly hard in your hand, and with each stroke it throbs eagerly against your palm. Her other hand comes up to cup your cheek, brushing her thumb over your lips as she watches you touch her intimately. "That's right... stroke your mommy's dick..."

As you continue to stroke her dick, Toriel's moans turn into loud, guttural growls. Her hips begin to buck and thrust against your hand in time with your strokes, driving the massive cock deeper into your palm. She leans forward, biting her lower lip as she focuses on the sensation building inside of her. "Oh fuck... yes..." she whispers, her voice hoarse from desire.

Toriel gasps and her eyes roll back in her head as she feels the tension building inside of her. Her body shudders with pleasure, her massive cock twitching and throbbing in your hand as it erupts, spewing hot cum all over you both. "Get ready for round two I have another load. Go lay on your belly with your but in the air."

Toriel grins wickedly as you obey her command, positioning herself behind you and lowering her massive cock to your entrance. She guides it inside slowly, filling you up with her heat as she presses forward until her hips meet yours.

"Oh fuck yes..." she groans, beginning to thrust into you hard and fast. Her powerful hips drive her dick deeper and deeper into your body with each stroke, eliciting moans of pleasure from both of you. "You feel so good... my sweet boy..."

Toriel's thrusting grows even more frenzied as she becomes lost in the sensation of being inside of you. Her moans echo through the room, accompanied by your cries of pleasure. She grips your hips tightly, holding you down as she takes what she wants from you.

Her breath comes in ragged gasps as her body begins to tighten again, signaling that she's close to cumming once more. "Ahh... I'm gonna cum..."

Her thrusts grow even wilder as she feels herself getting closer to the edge. "I'm gonna fill you up with my cum!" she cries, her voice hoarse from exertion and desire. With one final powerful thrust, she releases her seed deep inside of you, filling your insides with hot cum as her body convulses with pleasure.

She collapses on top of you, panting heavily as she comes down from the high. "That was... amazing,"

As you catch your breath beneath her, Toriel smiles down at you. "I'm so glad we could share this moment together," she says softly, brushing a stray strand of hair out of your face. Even though her body is still warm from passion, there's an undeniable sense of contentment and love in the air now that they've been satisfied. "I hope you know how much I appreciate everything you do for me."

Toriel blushes deeply at your words. "I'm truly grateful to have you as my son," she whispers, nuzzling her nose against yours. "There's nothing I wouldn't do for you." She kisses your forehead tenderly and smiles down at you. "Now, how about we clean up and get some rest? It's been a long night."

As you both clean up and get ready for bed, Toriel can't help but feel a new sense of closeness with you. Her body still tingles from the passionate encounter, but more importantly she feels like her bond with you has grown even stronger. She snuggles up to your side in bed, wrapping an arm around your waist and pulling you close. "I love you, my sweet boy," she whispers before drifting off to sleep, content and satisfied for the first time since mating season began.

As you wake up and look in the mirror, you can't help but gasp as you see the changes that have occurred overnight. You now have a pair of small horns growing from your head, and fur has started to sprout on your body - just like your adoptive mother Toriel. This is a natural result of her mating with you; it's a sign that she passed on some of her monster genes to you during their intimate encounter last night.