The idea was originally found in A_Bored_Reader Undertale ideas for stories that hit me like the brick called Reborn! I asked permission to use it. Read the original if you're interested, but it contains quite a few spoilers for this story.
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Warnings: Minor couple moment, bad intentions, condemnation and fight.]
Reaper received the message about the neutrals' meeting while resting in his lover's lap. He honestly wasn't very motivated, but seeing the topic, he turned to his serious-looking lover.
– Gen-gen I'm tired... – Reaper tired of the blindness of mortals and Gods.
– I know... – Geno gently pulled his beloved God of Death closer to himself.
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– We have to go and see what decision the neutrals make – Reaper sighed heavily.
– I'll play attention, you can rest – Geno with loving sadness in his voice. It always saddened him that he couldn't do more for his beloved, whose hard work was not appreciated nearly as much as he deserved.
– You are my savior Gen-gen – Reaper lovingly snuggling up to him.
– Who saves who?! – Geno chuckled, patting his back in amusement.
– We each other – Reaper smiled, already knowing Geno's answer well.
– That's right, my angel – Geno kissed him, enchanted. The gentle momentary meeting of their "lips" didn't last long, but it was more meaningfully full of emotion and depth than a thousand others driven only by desire. Geno's bitter vengeful loneliness was chased away by the appearance of Reaper. While Reaper found peace with the icy and fiery Geno, who refused to die for his deathly touch. Few souls are strong enough to say no to death for so long, but Geno is the only one who has fallen in love with the God of Death. Their love was legendary, forbidden, and incomprehensible to mortals who saw only fear in Reaper presence. Their love never wavered from since the beginning, but has grown stronger and blossomed despite all the difficulties. All their flaws were beautiful in the eyes of the other and, keeping their vows, they shared all their happiness and bitterness.
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– Let's go – Reaper opened the portal with one hand. Geno smiled and took his partner in his arms, who, undisturbed, continued to rest in his arms. Their closeness was nothing new, but there were still some who were surprised to see the God of Death in Geno's hands.