Chapter One

"Ginny? Gin? Miss Weasley?" Professor Remus Lupin asked when one of his students ran straight into him, so blinded by tears that he doubted she could see a clear meter in front of her. He put a guiding arm around her. "Here, I'll take you to my rooms," he offered, because they were on the ground floor and his basement rooms were not only far closer than her Gryffindor House Tower, but he didn't trust her to get all the way up there, given how abruptly the stairs could shift. She could end up toppling five stories if she was unlucky.

He led her into the rooms he had been allocated both because they were close proximity to his classrooms as Defence Against the Dark Arts Professor and because they were the second-largest set of rooms in the castle of Hogwarts School of Witchcraft and Wizardry after the Headmistress, Professor Minerva McGonagall, and he wanted the space for him and his young son Teddy.

Teddy. The result of his brief marriage to Nymphodora Tonks – even briefer, given the amount of time he had spent running away from his responsibilities as husband and father – and the only thing he had left from the devastating war. She had died in front of his eyes, killed by her crazed aunt Bellatrix. Ironically, it had been Ginny's mother Molly who had killed Bellatrix, something Lupin was very grateful for, since Teddy was, legally at least, half-werewolf and Bellatrix would never have allowed such a monstrosity of a great-nephew to live.

He sat her down on the couch. "You want to talk about it?" he asked. "Has something reminded you of Fred?" Her older brother had also died in the war and she had taken it badly – almost as badly as he'd taken his wife's death... and perhaps Ginny had more right to grieve than he did, because he'd only been married for a year and had spent a fair chunk of that year running away.

She shook her head. "Everyone's fine," she sobbed.

Well, everyone might be fine, but everything certainly wasn't. "Has something happened with Harry?" he asked. He'd had his doubts about her relationship with Harry Potter. She had hero-worshiped him for so long, and those things rarely made for equal relationships. Plus with him no longer in school and her having a year to go, they only saw each other on Hogsmead weekends. It couldn't be easy for them; his relationship with Tonks, no matter how fraught it had been, was still one where he could see her every day. He had become something of an unofficial counsellor to his students, and Ginny had confided a lot in him. From what he understood, Harry was pushing for sex and Ginny was reluctant.

"He – he – I went to see him and him – he was... with Cho Chang," she sobbed brokenly.

He knew he should be more shocked than he was – but then, Harry was James's son and James could be quite entitled at times. And he had come out of the war a huge hero – there were dozens of girls who were eager to go to bed with him, and Cho had been an old crush of his. "Gin, I'm so sorry," he said sympathetically.

"I should have known he'd never stopped liking her," Ginny cried.

"I'm sure that's not true. He was very fond of you," Lupin said, thinking that Harry was a fool to choose Cho Chang over Ginny. "Is there any chance of getting through it?"

She shook her head. "He seemed relieved that I knew," she said. "Like I'd saved him the hassle of breaking up with him. Oh, God, I can't believe I was so in love with him. What was I, just a distraction?"

"You know that's not true, Gin. You could never be a distraction."

"Then why did he cheat on me!" she screamed.

"I don't know, love. Some guys are just jerks like that. Actually, James wasn't completely noble when it came to women, either. He's a jerk and an idiot and it's not a reflection on you. Here, why don't I get you a drink?" he offered. Poor girl looked like she needed one. "I've got butterbeer and firewhisky."

"Firewhisky," she choked out, hoping that the alcohol would numb her pain.

So he got them both firewhisky and encouraged her to talk about the pain and humiliation of walking in on Harry with another woman – and a woman he had once carried quite a torch for. "I know it hurts a lot know, but you will get over it," he promised her soothingly.

There was something calming about his presence that as the hours passed she felt less distraught. "Thankyou," she said. "I'm such a baby."

"No, you're not. You've had your heart broken. But it will pass, Gin."

She sniffled. "How would you know?"

"Because I've been cheated on myself."

Ginny's eyes went wide to hear this. "Was it – "

"No, it wasn't Tonks. Though I gave her every reason to. No, there's plenty of women out there who see sleeping with a werewolf as some kind of daring statement, but they never saw me as human. And I have a phenomenal sense of smell, I can always tell when another man's been screwing my girl."

"Merlin, I'm so sorry." She'd been so full of pity for herself that she hadn't stop to think how tough her Professor had it at times.

"Don't be. I've learnt to deal. And you will, too, Gin. Don't cry. You're eyes are so pretty and you take away from that when you cry." He pulled out a handkerchief and wiped away her tears. Then, brushing his fingers across her face, he recited the incantation to clear up her tear-stricken complexion. "There. Much better."

"Thanks," she said, feeling suddenly flustered. Lupin had never touched her and she was suddenly very aware of what a gentle touch he had. She found herself wondering just how much experience he had with women. In her drunken haze, she found herself staring at his lips and wondering what it would be like to be kissed by a man with facial hair.

He was suddenly aware of just how attractive she was. He had never thought about it before – she had been underage, and she had been Harry's girl – but now neither of those applied. He was suddenly aware of her youthful sensuality, despite her virginity. "Harry was an idiot," he murmured. "You'll find someone much more deserving of you."

She giggled drunkenly. "Maybe I need a revenge fuck," she blurted out.

"Maybe what you need is a man who knows how to fuck," Lupin said, and he kissed her. He didn't know what possessed him – she was young enough to be his daughter, she was his student, she was upset over finding out her boyfriend had cheated on her – but it was like he was unable to help himself. He flicked his tongue into her mouth, searching out for her own.

She was shocked when he kissed her, but not unpleasantly so. She met his tongue eagerly and shivered at the feel of his moustache against her lips. She wrapped her arms around his neck, running her fingers through his hair. "Professor..." she moaned softly.

"Remus, call me Remus," he corrected her.

"Remus."

"Merlin, you're so sexy," he grunted between kisses. "And a good kisser."

"You're not too bad yourself," she returned. "Oh, Merlin, Prof – Remus," she gasped when he started nipping at her collarbone. He pushed her down onto her back and pressed his knee between her legs. Obligingly she spread them and entwined them with his. "Oh, yes," she cried, thoughts of Harry forgotten as Lupin brought his hands under her shirt. Harry certainly hadn't made her feel like this when he touched her.

He rubbed against her provocatively. It had been three months since his wife's death, three lonely, abstinent months. And now he had a red-hot number squirming underneath him like her body was made for his – despite being young enough to be his daughter. She brought her hands around his back and slipped them under his shirt; he bucked involuntarily at the sensation. He couldn't remember ever being so turned on. "Ginny," he murmured throatily. "I want to fuck you."

It was crass, but it suited what she wanted at that moment. She pushed up against him and gyrated against him in a motion that was inexperienced and yet thoroughly sexy because of it. He had mostly been with prostitutes in the past, women who were paid to be good in bed. Ginny's youthful inexperience was charming. "Yes..." she breathed. Harry had never touched her like this. Harry had never used his fingers and mouth in a way that left her feeling like she was on fire.

Lupin unbuttoned her blouse, revealing a well-developed pair of breasts held in by a lacy black bra. It occurred to him that Harry was an idiot to cheat on that. Lowering his head, he kissed the soft swell of flesh that emerged from the lacy material, then flicked his tongue over her nipple through the material. Ginny gasped and arched her back. "Remus..." She brought her hands around to his front and struggled to undo the buttons of his shirt. When she finally managed to divest him of his shirt, she tossed it on the floor. Lupin responded by reaching behind her and unhooking her bra and tossing it on the floor along with their shirts. He kissed, licked and sucked at her breasts, biting gently, making her squirm with pleasure.

He rubbed his crotch against her thigh so she was well and truly aware of his erection. "Do whatever you want to me," she cried breathlessly, drunk on alcohol and lust.

"Don't mind if I do," Lupin replied gutturally. He slid his hand down her pants and fingered her in the most private place so within moments she was writhing uncontrollably. "You're so fucking wet," he grunted, feeling her warm, tight wetness around his fingers and not sure that he would be able to wait until he got his penis inside her. He'd never been with a virgin before, and the idea of Ginny being all his excited him.

He slipped down onto the floor and pulled her down with him. He fumbled with her pants and stripped her off them so she was only wearing her underwear – a black lacy thong that matched her bra. Lord, Harry will be sorry if he ever realises what he gave up, Lupin thought a trifle smugly. He slipped his fingers inside her thong and began fingering her expertly until Ginny was writhing and screaming as he brought her to orgasm. Frantically, she pulled at his pants, sliding her hands down inside them to grope his ass. For an older guy, he was in excellent shape, very trim and muscular. "Remus!" she cried, digging her nails into his ass. "Remus, I want you so much."

He pulled off her thong so she was completely naked. "I want you on your hands and knees," he said, which made perfect sense to her. It was close to the full moon – how close, she couldn't think off the top of her head in her alcohol-and-lust-fuelled state, but she knew it was close – so it was natural that he would want to mount her from behind... like an animal. She shivered with lust and allowed him to roll her onto her front and helped her onto her hands and knees. He quickly divested himself of his pants and y-fronts and positioned himself on front of her. "This may be a little uncomfortable at first," he said thickly, in no position to think too heavily about her comfort – and some part of him knowing that there wouldn't be that much discomfort, not given how worked up he had her.

He grabbed her hips and plunged his erection inside her tight, wet warmth with a drawn-out groan. In that moment, he forgot all about everything else – including his own son in the next room, or his late wife who'd been his mother – other than being inside her, pumping her hard.

Ginny gasped when Lupin's considerable erection sliced quickly through her. The discomfort was more than she had expected, and yet – she groaned when Lupin brought one hand between her legs, stroking her clitoris in time to his deep, steady thrusts. He pounded her rhythmically, his balls slapping against her ass as he did. "Ginny!" he cried as he screwed her. "Oh, sweet Merlin, Ginny..." he cried as he climaxed, spilling his seed inside her. He fingered her for a little while longer until she climaxed herself.

Letting her go, he collapsed on the floor on his stomach, turning his head to face her. "I really shouldn't have done that," he giggled like a guilty schoolboy. "Your mum will kill me."

"She doesn't have to find out."

"C'mere." He drew her close to him and kissed her passionately. "I can't believe I never realised how sexy you are," he murmured. She wrapped her arms around his neck and kissed him back just as passionately. He rolled her onto her back so he was on top of her; the smell of sex and sweat on her skin drove him even crazier with desire than before, if it was possible. He felt himself becoming hard again almost immediately. She spread her legs for him again when she felt his erection against her stomach. He entered her again. He started pumping her; she dug her fingers into his backside. "Oh, God, you were made for sex," he grunted.

After they were finished, he got off her and lay on his stomach again. "Why do you do that?" she asked.

"Do what?"

"Lie on your stomach?"

"It's more comfortable. Show me a dog that's ever slept on its back."

She reached out to stroke his damp, greying hair. Purring like an overgrown cat, he pushed his head into her hand to enjoy the touch. "There's so much I don't know about you." Like, I never knew you were so passionate. She took a deep breath. She was still very drunk, but the reality of what they had done was starting to sink in, and she wondered where they went from here. "Remus?" she asked.

Lupin was sound asleep. She curled up against him, his body unnaturally warm – pleasantly so – and fell asleep next to him