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Total Eclipse (of the Heart)

Summary:

Once upon a time, I was fallin' in love. Now I'm only fallin' apart. There's nothing I can do. A total eclipse of the heart.

After the Ishbal Accords are signed, Roy and Riza are given their lives back. But Riza finds that she's struggling to want that unexpected gift. As their romantic and sexual relationship is evolving, they turn to a Total Power Exchange dynamic, hoping that will help them fix the problems with their relationship.

Written for FMA Kinktober 2025

Notes:

Welcome to Kinktober!!

A longfic for Kinktober and another one for Whumptober?! Lyn what are you thinking?? I don't know y'all. It just kind of happened.

For this fic, I'll be using the prompts from Tumblr's FMAKinktober. Instead of going in order for each day, I moved them around a lot to make them fit the story I wanted to tell.

Be aware, I had difficulty tagging because of the tag limit. I was initially 30 tags over the limit. So yeah. Pay attention to the prompts listed at the beginning of each chapter, and just be aware that this fic has a little bit of almost everything.

For those of you who have read my Royai BDSM fics in the past (especially my "wholesome" BDSM fic "Sir") Just be aware that.... this dynamic is a little bit different. It's going to be a wild ride. Roy is definitely more rough as a Dom here. There are times when things approach the verge of dubcon. I will try to remember to mark those chapter, but scream at me in the comments if I forget please!

Buckle up, folks!

(See the end of the work for more notes.)

Chapter 1: Once Upon a Time

Chapter Text

Prompts: Praise Kink & Breast Worship

 

—-------

 

“I’m not sure you understand,” Roy sighs.

 

Riza smiles, running her fingers through the silky strands of his dark hair.

 

“Explain it to me, then,” she invites teasingly. Roy nuzzles the side of her breast with his nose, taking in another long, deep breath.

 

“You smell amazing,” he purrs. “Like vanilla and coconut.”

 

Riza rolls her eyes. 

 

“That’s just my soap. You picked it for me, so of course you like it.”

 

No, that’s not it,” Roy insists. “It wouldn’t smell half as good on anyone else.”

 

Riza closes her eyes and goes back to petting his hair while Roy cups her breasts in his hands, squeezing them slightly together and burying his face between them with a soft groan.

 

“This is my heaven,” he murmurs. 

 

His warm breath and the slight scrape of his stubble feel good, but Riza can’t help laughing.

 

“You’re ridiculous.” 

 

“I’m not.” He lifts his head to frown at her, and Riza laughs harder at the petulant look on his face. 

 

He squeezes her in his hands a bit more firmly, and Riza’s laughter fades into a soft smile.

 

“You fill my hands up perfectly, like you’re made for me,” Roy says lowly. He bends his head again and takes a long lick across one pointed tip. “Your nipples are so pretty and pink, like little cherries. They’re the exact same shade of pink as your pussy when you come.”

 

“Roy,” she mutters, yanking his hair slightly, embarrassed. 

 

“Look how easily they pebble up for me,” he says, licking the other side and blowing a stream of cool air across her until her nipples feel hard and tight. “You always respond to my touch so well.”

 

“That’s just…anatomy,” Riza murmurs. “You know how to make me feel good. It would be the same with any—”

 

He pinches down harshly on one nipple to cut her off.

 

“No, it wouldn’t.”

 

Riza falls silent, her lips parting. His gaze has gone stony and hard as he surveys her. When Riza makes no move to continue arguing with him, he bends his head and laves the nipple he pinched with his tongue. Riza’s back arches involuntarily, and she tugs lightly on his hair to keep him in place, wanting, aching…

 

“You’re so good for me,” Roy murmurs. “My gorgeous girl. Tell me you’re mine.”

 

“I am,” Riza replies quietly, meeting his eyes as she can feel her cheeks heat. “I’m always yours.”

 

Roy gives a quiet hum then goes back to cupping her breasts, molding and shaping them with his hands, lightly pinching her nipples between his fingers every so often. Riza starts to feel wound up, tight and hot.

 

“What do you need, beautiful girl?”

 

She can feel his breath ghost over her as he speaks, and Riza opens her eyes to look down at him. There’s fire in his coal-black eyes, but behind that lies a gentleness, the tender place where their bond resides. 

 

Riza doesn’t answer, writhing a little on the bed, lifting her chest up, but Roy only backs away, grinning at her. 

 

“What do you need?” he repeats.

 

“Your mouth,” Riza mumbles, blushing. “Can you—?” She breaks off with a groan as he seals his lips around one hard nipple, sucking gently.

 

“Good girl,” Roy says softly as he pulls away. “Again?” Riza nods eagerly. “Then tell me why you’re so perfect for me.”

 

Riza huffs, feeling sweat start to break out over her body. He nuzzles his face between her breasts again, waiting.

 

“It’s…mutual attraction,” Riza insists. “You’d be just as compatible with any number of other—”

 

She breaks off with a groan as Roy’s teeth sink into the underside of one breast.

 

“I could never be compatible with any other partner after having you,” he says firmly. “Never. You were made for me. Tell me.”

 

“I-I love that you think that,” Riza mumbles. “It makes me feel special.”

 

Roy rubs his thumb across the bite mark.

 

“And?” he prompts. Riza bites her lower lip. “And you still don’t agree with me!” He chuckles darkly.

 

“It’s… a very romantic ideal,” Riza says quietly. “Soulmates or-or being cosmically destined for each other or something—”

 

“We are cosmically destined for each other,” Roy says, raining kisses all over her chest. “And you, my love, are my soulmate.” 

 

“I love you for thinking that,” Riza says weakly. “I just think the whole idea is… I don’t know. Far-fetched? Naive maybe?” He plucks at her nipples with his fingertips, and Riza has to bite back a whine. “There’s plenty of other people you could have been happy with.”

 

“What about you, then?” Roy asks in a low growl, raising up on his knees to nibble at her throat. He sinks one hand into her hair and grips it tightly, holding her face to face with him. “Are there plenty of men out there with whom you could have been happy?”

 

The burning ache in her core is more pronounced now, and Riza shivers as his other hand continues to squeeze and caress her breasts.

 

“I don’t think so,” she admits quietly, rewarded with a gentle kiss pressed to her lips. 

 

“I don’t think so, either,” Roy says, leaning his forehead against hers. “Our bodies were made for each other, Riza. Our souls were made for each other.” 

 

He seals their lips together in a slow but fierce kiss, still holding tight to her hair with one hand and pinching her nipple with the other. Riza’s hands roam up and down his back as he seals his lips over hers, pressing his tongue into her mouth, nibbling her lips—posessive, needy. Hers. Just as she is his.

 

Riza kisses him back just as hard, and now she does understand. They belong to one another.

 

“Soulmates?” she whispers against his lips when their lips finally part.

 

Roy lines his hips up with hers and sinks slowly inside the heat of her body as she cries out softly.

 

“Soulmates.”