He looked up at her face and saw she was still staring at his cock intently. He could feel warmth on his thighs where she was sitting close to him and his eyes drifted down to her crotch. For the first time he noticed she was wearing little teal shorts and no stockings today. In fact she was wearing a little matching short-sleeved shirt with a cat on it. Traveling clothes. Quickly he glanced at the door and saw a pile of luggage. She'd come home early. He quickly made a mental note to ask her about it… later.
Blinking he looked back at her smooth, creamy legs which he almost never saw because she normally wore stockings and his jaw dropped, his eyes drifting back to her crotch. His cock throbbed again hard and he realized he wanted to touch her and be between her legs very, very much.
In his fantasies she'd always just been touching him but he just now realized how selfish of a fantasy that was. Just because she didn't know much about her own body didn't mean she didn't deserve to feel good too. Oh he wanted to make her feel good now. So much. His cock twitched again as he imagined her beneath him.
She asked him a question. Sounded like 'What is it?' He tore his eyes away from between her legs and met her gaze. She looked confused.
Oh. Did she really not know? Sex. Sex, Star. Cmon, did he really have to explain sex to her?
"I.. What about you? Don't you have?.."
He suddenly realized he didn't even know if she HAD a vagina let alone if she was interested in him touching it or putting his cock in there. Or if she was ready. Well he guessed she was but he needed to be sure.
"Do you.. Know about what boys and girls do when they… Sex? Do you know what that is right?"
"Sex? Oh yeah that's what-"
She gasped.
"Are we gonna have SEX now!?"
He leaned back and grinned at her. She was so cute when she didn't realize things right away. Her enthusiasm wasn't hurting his arousal either.
"Well. I would.. Like too with you, yeah. If that's okay with you."
His brow furrowed.
"Do you.. have.. a.. Can you?"
He was blushing furiously now.
She looked down at his throbbing cock again and bit her lip, staring.
"Huh?"
Marco ran his hand through his hair a bit exasperated and gestured toward his dick and then at her crotch.
"Will they fit?"
He said just above a whisper.
"You mean together!?"
She too was blushing deeply again now and the thought just occurred to her that he wanted to put his penis in her vagina. Something she'd recently acquired when she stepped through the portal onto Earth from Mewni. She didn't have one on Mewni. It was a strange earth organ that apparently babies came from. But it made her feel good sometimes. Especially when she thought about earth boys and especially when she thought about Marco hugging and kissing her.
Sex. That thing where the penis goes inside.
Her mouth fell open and she nodded, smiling wide.
"Yeahhh okay!"
Marco looked a little confused.
"Yeah okay what like it will fit? Do you even have a hole? Is it compatible? Oh god I don't wanna hurt you!"
He was beginning to get desperate and panicky since he didn't know what she meant.
She saw him beginning to freak out and did the only thing she could think of which was to pull her shorts down and just show him. While she was removing them she heard him begin to protest but soon he went quiet. As she pulled her panties off she saw a sticky, clear string of fluid connecting the panties to her earth vagina. It was weird. Why was it so wet? For sex?
She heard Marco moan and looked up to see his mouth open and his eyes as wide as saucers. It must be correct what she had because he sure looked like he wanted it and was familiar with what it looked like. It made her blush again and her tummy squirm, heart beating hard again. She really liked the look on his face and it made her brain begin to go all foggy again.
He was staring at her worryingly and before he knew it she was unzipping her shorts and just pulling them off. This was nice but not proper. He felt like he was taking advantage of her because she was ignorant of Earth and human customs.
"Star you don't have to, please do-"
But her panties were already coming down and…
"O-oh..."
Was all he could manage. She was wet. Very wet. He'd never seen one in person before. But it looked right and seemed to be functioning correctly. Maybe too well. He opened his mouth to speak but nothing came out. His brows lifted and he looked up at her face dreamily.
"Can I see the rest of you, Star?"
He said very quietly, his heart hammering in his chest.
The way he looked at her made her feel a bit shy again. She wanted to show him all of her though. She had an idea that as badly as she wanted to see all of him, that's how much he wanted to see all of her. Without hesitating she carefully removed her clothes and let him see.
She sat shyly in front of him and watched his eyes rove over her body. She was a bit relieved to see that he didn't look as hungry as before and she felt better. Not that she didn't feel safe with Marco, she'd just seen the way some boys looked at her and it made her feel weird. The way he was looking at her though didn't make her feel that way at all.
Not sure what to do next, and having lost her momentum, she sat there waiting for him to do something. She suddenly felt small and vulnerable and she wasn't sure why.
God she was beautiful. Her creamy porcelain skin was a bit pink and flushed. His eyes lingered on her small breasts with the little pink nipples. She was more perfect than he ever imagined. He realized she was staring at him in a very un-Star-like manner. He saw the helpless look in her eye and all he wanted to do was hold her.
He felt dirty and terrible suddenly for making her do this. She wasn't ready.
"Star.."
He mumbled guiltily.
"Cmere.. I won't do anything to hurt you.. I'm sorry.. I.. I just got excited.. you can put your clothes back on if you want."
He looked away, feeling embarrassed, blushing.
She blinked at him and sat up hastily, waving her hands frantically.
"No no! I want to Marco! I want to have sex with you! Please! I want to.. touch your earth penis…"
She mumbled the last bit, looking away and blushing deeply, her heart fluttering, thinking about it again.
Marco looked at her hopefully. She did sound sincere.
"Really? Are you sure? I don't want to do anything we'll regret.. I never want to hurt you, Star…"
Star looked at him again and saw his pleading eyes. He was more worried about her than feeling good. The look in his eyes made her a little angry that she'd worried him so much. She wanted to do this. She's the one who led him on and wanted to make him feel good. He was her best Earth friend, Marco and she was going to show him that she cared for him in a boyfriend and girlfriend way.
She stared down at his cock again.
"I'm sure. Please let me touch it. Let me touch you. I want you to touch me too. I like those noises so much."
The yearning look grew in his eyes again and he laid back, feeling himself throbbing again.
"I.. Want to make you make them too.. But you do only what you want. I won't lie though.. I really want it."
He looked away guiltily.