A/n: Inevitable Orpheus and Eurydice AU because HELLO Luka is the music guy and Adrien is his muse.

It was a story everybody knew. Of the worlds most beautiful singer and his beloved nature Nymph. The two were inseparable, so deeply in love and spent their days playing the lyre and singing the most beautiful songs you'd ever heard. But when tragedy struck and Adrien died to a snake bite, Luka became so unbearably depressed he could only sing sad songs and play sad music. It was bumming everyone out, the crops were dying and it was even said that women in the area were miscarrying because the power of such tragic songs was killing everything in its path. Understandably the town had enough of it.

Luka needed to get Adrien back or die trying, so they'd directed him to the river leading into the underworld, to beg the god of the dead himself for mercy and return his beloved muse. No one had ever managed to come out of the underworld alive before, it wasn't meant to be possible. But out of sheer desperation, Luka managed to enter and fell to his knees before Hades and Persephone begging for his beloved back. And amazingly, for the first time in history the two were swayed. By the absolutely incredible voice and song of the grieving musician.

There was only one condition. He wasn't to look back. Adrien, as a shade would be right behind him the whole way up to the surface. As soon as they left the underworld they'd both be alive and well, free to continue living until old age takes them. It seemed so perfect right? Luka had his chance, he held onto Adrien's hand. He could feel him. All he had to do was not. look. back.

But he did. His doubt betrayed the better of him. He couldn't hear the footsteps of his beloved behind him, making him worry he'd been tricked into simply thinking the hand he held was Adrien. He thought that surely just a slight glance to the side wouldn't count, technically he wasn't looking back right? But the anguished look in his lovers eyes when he was torn away from him once more will forever haunt him. They were so close too, light was just within reach. But doubt, doubt was his weakness.

Luka made it out alive, but he'd lost his once chance to get Adrien back.

For the rest of his life he was depressed, he couldn't sing anymore, only played sad tunes on the lyre. The word got around and soon the entire country knew the story, and used it as a cautionary tale about doubt. But there was a catch Luka never thought about, he was the only human to ever leave the underworld alive. He became somewhat of a legend, an icon of the Orphic concept of rebirth. That was what lead to his downfall, when several years after his failed attempt to get Adrien back, the cult if Dionysus found him and sacrificed him.

Even though it hurt, in his final moments he couldn't help but smile. He'd finally get the chance to see his lover again. Even if it was in death. He'd never committed a crime, so he knew he'd be safe from Tartarus. It was Asphodel he'd be bound for, and that's exactly where he was assigned. Although he did have to endure some harsh words form Hades for blowing his chance all those years ago. He didn't care, he just wanted to see Adrien again. He'd be out there, somewhere in asphodel. So he searched, he searched and searched. Asking any soul he came across if they knew of an Adrien. Admittedly, he was a bit worried Adrien would be mad at him, or even hate him, for blowing his chance and looking back all those years ago. But even if that was the case, he still needed to at least see Adrien one more time for closure.

Time was hard to tell in the underworld, unable to see the sun mean there was no telling if it was day or night. Luka felt like it had been days or even weeks he'd be searching through Asphodel for his muse. But finally after all this time, by the border of Asphodel where the river phlygathon met the river Lethe in Elysium, he spotted the familiar golden blonde locks adorned with olive branches he'd come to lament the loss off for many a lonely night.

He called out, hoping Adrien wouldn't turn with a look of disgust for his past screw up. When their eyes met, it was like time stopped and the only beings in the underworld were the two of them. Like two magnets being pulled together, they rushed toward each other, across the river banks and finally meeting once more. Leaping into each others arms, teary eyed and full of every emotion possible.

"I'm sorry... I'm so sorry..." Luka muttered, clinging like he should have all those years ago.

"It's ok... it's ok..." Adrien replied, with such sincerity it almost broke Lukas heart.

Even after he made the worst mistake of his life, allowing his beloved to be swallowed back into the arms of death, Adrien still loved him. The boy had a heart of pure gold, able to forgive even the most painful of actions. Because he knew that doubt was human, and Luka was but a human until he died and joined him as a shade in the underworld.

"I'll never let you go, I'll never look back again" Luka sniffled.

"I'm not going anywhere my muse, in death we're untouchable, inseparable. For eternity" Adrien replied.

Even if being dead wasn't exactly ideal, at least they couldn't ever loose each other again. Till death do us part was a nothing phrase to them, not even death could part them now. Adrien gave Luka a teary eyed smile, and a kiss on the forehead.

"Why don't we sing together again? I haven't sung since we last met. I couldn't bring myself to sing without your music" Adrien suggested.

"You waited..?" Luka asked.

"No song of mine is complete without your voice and lyre"

Luka sighed, a happy and content sigh. Relief that finally, they were together again.

"Yeah... let's make a new song. Our first one together in death, and we can sing it for the whole underworld to hear" Luka smiled.

The story of Adrien and Luka would go down in history for its tragic fate and morals about doubt, but at the true end of the story, two two were finally together again. Happy, content and just as beautifully in love as the day they lost each other.