A/N: Man, I hadn't been doing much writing these past months, huh? Here is something I quickly whipped up during my free time. I'm still busy though, so idk when I'll start writing more again.
This Tanjiro x Nezuko so... warning incest and all that.
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Nezuko hummed in a soft voice as she walked down the hall. Tanjiro would be returning any minute now, and she hoped to greet him with a warm meal. She'd even prepared the ingredients to make his favorite dish! The girl could barely contain her excitement.
"Welcome home, onii-chan!" She said to herself, imagining the way his face would light up at the sight of her. "How was your day?"
Nezuko giggled to herself. She could already imagine how he'd respond, his eyes soft and smile warm. She could practically see his shoulders moving as he sighed in relief at being back in the comfort of his own home. She could picture the way he'd take off his haori and maybe his shirt too, complaining about the heat of late summer.
She could see it all so clearly in her mind. His abs glistening with sweat as he went to take a shower, and the droplets that clung to his skin as he entered the bathroom in just his underwear—
Her thighs rubbed together. It wasn't the first time she'd imagined him in this way. It wasn't the first time she'd found herself getting aroused over it either.
"Onii-chan... come home soon," Nezuko murmured. She didn't know how much longer she could wait.
She needed Tanjiro to come home. She needed Tanjiro to come home so she could jump into his arms, kiss him breathless, and have him fill her with his cock. The thought alone was enough to make her rub her legs together again.
She'd been dealing with this for months now, ever since she'd gotten her memories back. Her feelings for her brother ran deeper than just familial, and her body reacted to those feelings.
Just then, the front door opened. Tanjiro was home.
Nezuko rushed to the entryway.
"Welcome home, onii-chan!" she said.
"Ah. I'm home." Tanjiro smiled, eyes softening just as they did in her imagination. He was wearing his haori and his checkered shirt.
Nezuko wasted no time and immediately jumped into his arms. "I missed you!"
"Nezuko!" Tanjiro laughed and wrapped his arms around her. "I was only gone for a few hours."
"Which was too long." Nezuko pouted as she looked up at him.
"Did you prepare dinner?" Tanjiro asked.
"Mhm. But..." She trailed off. There was something more important she had in mind. "I think I want dessert first."
She leaned up on her toes to press her lips against Tanjiro's. He stiffened slightly, but then relaxed into her touch. His arms tightened around her waist as he kissed back. Nezuko moaned and parted her mouth, inviting him inside.
Tanjiro took advantage of it. His tongue slipped into her mouth and she greedily sucked on it. She could feel his arousal pressing against her stomach through his pants, and her own wetness pooled between her legs.
"Onii-chan," she whispered when they broke apart. Their faces were still close, their noses brushing against each other. "I want you..."
"We have to be quick. Giyuu-san and Sanemi-san will be here soon. They said they wanted to check my progress."
"That's fine. Just please, do something!" She whined and ground her hips into his leg. "I've been waiting all day."
Tanjiro's eyes darkened. He grabbed her hips and pushed her up against the wall. She gasped at the sudden rough treatment, and then moaned as his mouth attacked her neck.
"Onii-chan," she breathed. Her hands tangled into the fabric of his haori as he bit down on her neck, then sucked on the skin harshly. She knew he was leaving marks, but she didn't care. If anything, it made her even more aroused.
She lifted her skirt up, and Tanjiro slipped his hand into her underwear. She gasped as his fingers brushed against her wet slit. Then one finger entered her, and she moaned as it slowly pushed inside her.
"Nezuko, you're soaking wet already," Tanjiro said, his voice low and husky. His breath was hot against her ear. "You really are impatient."
"It's because you're taking too long." She ground herself against his hand to encourage him. "Please, onii-chan. I need you."
His finger slid out of her pussy and she whimpered at the loss. But before she could complain, he'd already unbuttoned his pants and pulled his cock out.
Nezuko spread her legs for her brother, eager for what was to come next. Tanjiro lifted her up by her thighs and she wrapped her legs around his waist. He shifted her underwear aside and lined himself up with her opening. With a quick thrust, he was fully sheathed inside her.
Nezuko's head fell back as she cried out. Tanjiro groaned, burying his face into the crook of her neck. She could feel him throbbing within her walls, and it was driving her crazy.
"Nezuko... You feel so good..." Tanjiro moaned, his voice muffled.
"Onii-chan, move!" She ordered, digging her heels into the small of his back.
Tanjiro did as he was told, and Nezuko was in heaven. His thick cock dragged along her insides and sent pleasure coursing through her veins. Her nails dug into his shoulders through his clothes, but he didn't seem to mind. He only pounded into her harder, his hips slapping against hers and creating lewd noises.
"More," Nezuko begged. She wanted to feel more of him, all of him.
He picked up the pace, and soon he was slamming into her. She felt like she was going to explode. Her walls clenched tightly around his length, trying to keep him inside her.
"Onii-chan, onii-chan, onii-chan..." she chanted. Her mind was hazy, filled only with thoughts of Tanjiro and his cock. Nothing else mattered at that moment. Only him.
"Nezuko," Tanjiro groaned. He was close. Nezuko could tell from the way his body tensed up and his cock twitched inside her.
"Cum inside me, onii-chan," she urged, her legs tightening around his waist. She wanted to feel his seed filling her up.
"Nezuko!" he cried out. His hips jerked forward once, twice, and then he was spilling his load inside her. It triggered Nezuko's own orgasm. She arched her back as pleasure flooded her senses.
They stayed like that for a moment, basking in the afterglow of their orgasms. Then Tanjiro pulled away from her and set her down on her feet.
"We should get cleaned up before Giyuu-san and Sanemi-san get home," Tanjiro said.
"Okay." Nezuko nodded, still feeling blissful from her orgasm. "-but can we do more tonight?" she asked hopefully.
Tanjiro's cheeks were red, and he averted his eyes. "If you want to."
She grinned and kissed his cheek. "Of course I want to! Onii-chan's the best."