Steven Universe Yandere Oneshots

Teen Steven x Amethyst x Yandere Pearl

Amethyst is sitting on the couch eating doughnuts, as she usually would. She's looking off into space, daydreaming. Pearl is sitting at the counter, watching her. She can't help but blush, looking at her. W-what's going on? Why am I blushing?! She's just eating a doughnut! But the way she does it is so.. Pearl stares at Amethyst in awe. She watches as a few crumbs get stuck on her beautiful, purple plump lips. Pearl licks her own lips, imagining hers on the smaller gem's. She imagines her fingers lightly going over her little, round body. She blushes a lot. So much so that Amethyst comes back down to Earth and notices. "You okay, P?" she asks. Her raspy voice only makes Pearl blush more.
"Oh, yes!" Pearl replies, quickly. "It's nothing! Just feeling a bit warm! I think I'll go rest in my room for a while!" The slim gem speeds off to her room and shuts the door.
"Okay..?" Amethyst just sits there, left in her own bubble of confusion. She shakes it off and finishes her doughnut, licking off the crumbs. Just as she is about to stand up and leave, Steven walks in. He's 16 now and has definitely grown a lot. He's developed some muscles from his hours and hours of training with Pearl and he's got a bit of a beard growing in; just a few hairs on his chin. He just went for a nice swim in the ocean and enters the temple, wet and shirtless. He looks at the purple gem on the couch.
"Hey, Amethyst," he greets with a smile, his voice low. "What are you up to?" Amethyst glances at him and smiles, a small blush forming on her cheeks.
"Hey, dude! I was just gonna go to my room and take a nap."
"Oh, alright." Steven smiles and goes up to his room, in search of dry clothes. Amethyst heads off to her room, biting her thumb. She never noticed how attractive Steven had gotten until now. He was always like a little brother to her, but now he's the big brother. She lays down on her old, broken mattress and shuts her eyes, taking slow, deep breathes. It doesn't take long for her to fall asleep. Pearl watches her from up on the waterfall that leads directly from Pearl's room to Amethyst's. She couldn't help herself. She had to watch her sleep. She just seemed so peaceful. She watches her chest rise and fall at a constant pace. She's seen how Amethyst looks at Steven. It fills her with anger. She clenches her fist at the thought of a human taking away HER Amethyst. The problem is, Steven feels the same way. She swore to protect him, but not at the cost of her love. She must get rid of him.

Amethyst steps out of her room in a black bikini, showing off her lovely curves, and a towel roughly thrown over her shoulder. She's planning on going for a swim in the water. She combs her hands through her hair and ties it into a little ponytail. She smiles in satisfaction and heads to the door. Steven catches her before she does. Today is the day he makes his move. He runs down the stairs and, just before she can lay a finger on the handle, he spins her around and pins the little gem to the wall. Amethyst stares up at him, a dark blush spreading across her face. This caught her completely off guard. "S-Steven, what are you-?" she stutters before he cuts her off by kissing her, passionately. The little gem's face grows darker. She's paralysed; frozen in place. When the teen finally pulls away, she just stares at him, speechless. He chuckles and places a gentle hand on her cheek.
"You're too cute.." he mutters. This only makes Amethyst blush more.
"W-what?!" Steven chuckles again, moving his hand to be under her chin now instead.
"I like you, Amethyst.. I want you to be mine.." The purple shortie blushes even more, if that's possible. It feels like her heart is going to jump out of her chest.
"I-I like you too, Steven.." Steven smiles softly and slowly leans in close to her face, shutting his eyes. Amethyst leans close as well, placing her plump lips on his. They savour the taste of each other's lips for a few minutes. Everything just felt right. Their hearts are pumping and it feels so nice. They never want it to end.

"Hey, guys~"