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Felix's smiles are electric.
He has many different smiles for all kinds of circumstances, but all of them are electric. Minho's not usually the kind to play favorites, but he does have a soft spot for a few of them (most of them (all of them)).
The one that's present more often than not is what Minho calls (in his mind, of course, he'd never admit out loud how stupidly fond of Felix he is) the sunshine smile. He stole the name from STAY somewhere around debut and has stuck with it ever since. It's his everyday smile, the one he always sports when all eight of them are gathered for practice, schedules or just lazing around at home. It's an easy smile, usually needing a simple call of his name, a back hug or a very lame dad joke to appear, but Minho loves it. It makes sparks buzz under Minho's skin on a daily basis, a warm little feeling that he cherishes even as the years pass.
There's the one that only Minho, Chan and their choreographer can bring to Felix's face. When Chan tells him that his vocals have improved or that he nailed his recording in one try, when their choreographer praises him for getting the moves down for their new performance quickly, when Minho compliments the sequences he comes up with when they're making choreography with Hyunjin; in these moments, his smile is almost bashful, like he won't allow himself to be too proud of his hard work even though he deserves it. Its electricity is contained but just as bright as ever. His nose scrunches along with his eyes, and more often than not it's all accompanied by a light pink blush under his constellation of freckles. Minho usually finds himself smiling too, when Felix looks like that. There are few things he loves more than seeing Felix satisfied with himself.
One that is high on Minho's list is the one that takes over Felix's entire being when they're on stage. That smile is always the widest and speaks of pure glee and happiness, all his pretty teeth on display as he breaks into a laugh for no reason at all and crashes into the members, high on adrenaline and STAYs' energy. That smile is a contagious one that no one can escape, and Minho always finds himself playing along and giggling as he waits for his lines to come. On nights like these, the electricity of Felix's smile is at its sharpest, its brightest; it spreads over to Minho, and Jisung, and Jeongin, and all eight of them, sparkling around them as they move in their own familiar synergy, tinted with an extra layer of excitement fueled by the thousands of fans cheering for them.
There's the one he always has after sex, completely sated with his head on Minho's chest, just on the brink of falling asleep. Sometimes his content hums border on cat-like purrs, on days where he's particularly tired and lets every single one of his defenses down, allowing himself to simply enjoy the slow drag of Minho's fingers across the bare skin of his back. That smile isn't a particularly wide one, usually close-mouthed and more of a twitch of the corners of his lips than anything, but it speaks of such comfort and satisfaction, of blissful exhaustion. Its electricity travels through Minho's veins and settles around his heart in a warmth that still surprises him sometimes, even though he's been experiencing it for months and months already. He looks at Felix's tired grin and realizes that he did that; he made Felix feel good enough to bring that smile on his face, and he's the only man in the world lucky enough to witness it. He takes immense pride in that smile.
But Minho's favorite is this one; both feet in the sand, the sea licking at his ankles with the crash of every wave, one hand in his pocket and the other holding Minho's gently as his eyes roam over the rest of their bandmates playing in the water. Minho hasn't seen Felix this content in years. He knows how much he's missed home, but he's still hit by the beauty of this new, unique smile, with the setting sun painting Felix's features gold, highlighting the freckles that bloomed on his skin during the week they've spent in Australia and the unfiltered fondness in his eyes as he looks at Chan and the kids jumping around in the ocean, their laughs echoing all the way to the shore.
Minho hates that he's only been able to see this smile a handful of times, but he's hopeful that the next one won't be as far in the future now that the pandemic is long gone and they've grown older. He'll do whatever he can to ensure it, actually, no matter how small his power on the company and on their schedules is. His sunshine deserves to meet his match as often as he wishes.
A screech reaches them, breaking the peaceful state Minho had let himself fall into; from the look of it, the members have teamed up to torment Changbin. The offended sound draws a small laugh out of Felix, giving Minho a glimpse of Felix's pretty teeth against the pink of his lips, electricity crackling gently in the space between them.
He gives Felix's hand a squeeze, dragging his eyes away from the ocean for a moment. I love you, he says without uttering a word.
Felix's smile widens just a tad bit as he squeezes back, sending a quiet lighting bolt all the way up Minho's arm. He leans in and places a delicate kiss on his lips, and Minho can taste his gratefulness at being home with the boys he loves more than anything else in the world on his mouth. A little cloud of sparks grows all around them, coated with the same love and serenity that drip from Felix's smile.
"I love you," Felix murmurs against his lips in response to Minho's silent confession, the words making his electrified heart flutter just as much as the first time they were spoken his way.
Minho grins, the lovesick fool that he is, and kisses Felix again, the shape of his smile distinct and familiar on his mouth, the Australian sun catching in the sparks flying around them and splattering the sand in a myriad of colors.