No ones POV
"DADDY!!" A little voice yelled. Sans decided to ignore it and let Paps handle the situation. He hated hearing that voice call out to him. Don't get him wrong, he loved that little squirt with everything he had. But what he had, wasn't much. He felt a pull on his soul again. "N-no, I don't want to remember her anymore!" He cried. He sobbed onto his pillow as another memory played in his head.
"Come on, lazy bones!!" A voice like silk called to Sans. Her voice. A voice sans started to hate to hear after she left.
"I'm comin!" He called to her. He liked to watch her run. He loved how her (H/L) (H/C) hair would move with her. Sans finally caught up with her. A picnic area on a hill that led to a cliff. A brilliant view of the stars.
"Look Sans! You can see the Milky Way!" She pointed excitement shone in her eyes. She loved outer space. And Sans liked listening to her talk about the vast unexplored universe. How there could be better evolved life just around the next star. He smiled at her, her bright eyes shone up at the stars.
"N-NO!" Sans sobbed out. He curled into a tight ball.
"Stop it!!" He yelled at himself, he just couldn't let her go. He cried, eventually falling asleep. Which he also hated to do now, because he had the same nightmare every night.
"SANS!!" Her voice called, fear covering her cheerful voice. Sans ran as hard as he could, he would save her this time, he would.
"Sweetheart!!" He called running to the same room. He had memorized the dream. He ran into the room.
"Sans!" She smiled. He smiled back and ran to her, only he wouldn't move. His feet were moving but his body wasn't. Chara rounded the corner.
"Hiya Sansy..." she laughed creepily. He had tears in his eyes, he tried using his magic but it wouldn't work.
"No!" He yelled at Chara. She frowned.
"No? But the fun hasn't even started yet~" she smiled at Sans. She had her knife in hand and was sliding the sharp side against (Y/N)'s cheek. Not enough to cut her, but enough for her and Sans to know she was serious.
"Leave her alone!" Sans said. He glared at her. Chara sneered.
"But that wouldn't be much fun would it? I brought her here, to teach her how to reset!" She smiled brightly at Sans. She held the knife high.
"Just press the button!" She screamed before slamming the blade into (Y/N)'s chest. She tried to scream, but Chara missed her heart and her lungs filled with blood. Chara smirked.
"Have fun~" She said as she left. Suddenly Sans was able to move again.
"Sweetheart..." he hugged her. He watched as the gurgling noises stopped and she went limp in his arms.
"NOO!!" Sans woke with a start. He hugged his knees close and sobbed. His eye shone bright. He looked out of his window and at the stars.
"Are you up there, sweetie?" He did this often, talking with her calmed him down, just a little.
"Can you see us?" He asked, noticing a star started shining a bit brighter. Sans believed that was her. That star always lit up when he talked to her, it's how he knew she was listening.
"Lilly is great! She learned a little math the other day. Papyrus is still heading out on patrol, even though you hated that. Undyne has joined the military, in fact I think she has the chance to become Commander, ain't that neat? Alphys had started a new theory on souls, somethin about how a soul can split in two and still live, I don't know... and Toriel! She's doin great at the preschool! She's a bit sad around this time since it's time for the kids to go to Pre-K and everything. Asgore is working hard with Frisk to get peace between humans and Monsters... I don't know about it though, they don't seem to be warming up to us... Mettaton finally made it big, and now he's getting to star in a movie, how bout that? Chara.... she's still on death row I think... Then there's that flower, I think the kids training him with gummy bears or worms or something." The Star twinkled, almost like laughter at some parts and dimmed like it was sad at others. Sans smiled at the feedback, she were out there, some where.
"Are you still singing and dancing up there, Sweetheart? Ya know how much I liked it when you did that." He chuckled, he wasn't for sure but he thought he saw a pinkish hue around the star. It seemed like he had made the star blush.
"Welp, there's a big day coming up tomorrow, apparently it's a practice graduation for Lilly, ya know from Kindergarten to First grade." He chuckled, and the star twinkled.
"Don't wanna fall asleep during it so I should get some shut eye. But ya never know, I'll probably fall asleep anyway. Me being as lazy as I am." Sans laughed a little bit, watching the star twinkle. He sighed and waved at the star.
"Good night, Mi Amor. I hope you dream about me, wherever you are. And I'll pray to dream a good dream of you, alright?" He winked up at the star.
"Buenas Noches, Novio, Te amo..." He shut his window, and laid down. He didn't dream, but was thankful to not dream that horrid nightmare.

(Y/N) POV
'I love you too Sans!' I made sure to shine on the sleeping skeleton, I couldn't cuddle him anymore, but I could at least ease his restless nights.

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For those who don't know!
Buenas Noches: Good Night.
Mi Amor: My love.
Novio: Sweetheart.
Te Amo: I love you.