Asgore noticed his sister seemed rather happy about something.

She had gotten up an hour earlier than usual, and even offered to help make breakfast with him. She then even cleaned up her plate and asked if they could go to work early.

Now she never, ever did that.

"Sister, did something happen?" Asgore asked her, grabbing her shoulder before she left from the front door, "You're being useful and it's scary."

"Oh, I made a new friend!" Toriel giggled, blushing slightly.

"That's really cool, the awesome Asgore is proud!" Asgore said before he looked confused, "Wait, who is this new person?"

"I don't know their name, but they like my puns and even said some themselves!" Toriel said, smiling as she thought about her new friend, "We went at least a full hour of just puns, it was great!"

"You don't know their name?" Asgore asked his smaller sibling, "But at least they like your puns, so I don't have to suffer them."

Suddenly, a chunk of snow fell from the edge of their roof, plopping onto Asgore's shoulder.

"C'mon bro, don't give my puns the cold shoulder!" Toriel said, punching his arm slightly.

"Why do you do this to me?" Asgore groaned, "But I'm glad you made a new friend, that means your being more social! The awesome Asgore is proud of you! Just get to know him better, you should learn his name."

"Thanks Bro-Tato," She said, "Don't worry, we're doing pretty cool with our new friendship. He likes my jokes and I like his, so I guess its a puntastic opportunity to share jokes."

"I'm going to work on my puzzles!" Asgore said, stomping off through the snow.

"He's so funny when he's mad," Toriel giggled before she closed the front door, her left eye glowing a bright orange before she vanished into thin air.

And she appeared right next to the door.

Repeating the day before, she sat down against the door, looking upwards towards the monsters version of the sky. Being stuck in the Underground was horrible, she wasn't able to look at the beautiful sun or the sparkling night sky. No, she didn't have that option, no monsters did.

If only she had one more human soul, then she could finally escape from the clutches of the underground with everyone else.

Footsteps against tile interrupted her thoughts as she smiled, listening to them approach from behind her.

"Hello!" She said, knocking on the door to show that she was there.

"Hiya," Sans said, knocking back in response.

"So, new friend," Toriel said, shoving her hands into her pockets, "Wait, do you consider me a friend?"

"Yes," Sans said with no hesitance, "You're actually my only friend right now."

"I'm your only friend?" The short goat asked in disbelief, "Don't you have any other friends with you?"

"I'm one of the few monsters in here," The robed skeleton admitted sheepishly, rubbing the back of his neck, "So none of them are really my friends. Of course, I become friends with the humans who fall down here, but..."

"Wait, you've met the humans?" She asked, "They fall down in the ruins?"

"Yeah, I saw every one of them. They all came in here, stayed with me for some time, then left just like that. Like you already know, they died because I couldn't keep them in here."

Sans drew his knees against his chest, his eye sockets darkening to a full black as he recalled unpleasant memories, his bone rattling slightly as he trembled.

"Oh... I'm sorry to hear that..." Toriel said.

"Hey," Sans said, turning slightly to the door, "If... If a human comes through these doors, will you give them mercy and protect them? Can you promise that, for me?"

Toriel sat in silence for a moment, thinking over his question. She wasn't one for promises, she always found them a waste of time. No one ever followed them anyway, so what was the point of making them?

But, he sounded so sad... And he had watched all of his close friends die because of the King...

"I promise..." She said quietly.

"So, why don't we talk about more happy stuff?" Sans changed the subject, "Like, I dunno, tell me about yourself. What's your favorite color?"

"I really like purple," Toriel said, "You?"

"I'm a fan of blue, especially dark blue."

"What's your name?"

"I... Um... Don't feel comfortable saying it on the spot," Sans said silently, "Can you just call me 'Guy behind the door'? I hope I don't come off as mean..."

"Oh, I don't blame you," Toriel defended, "I don't want to push you out of your comfort zone, so I'll call you that no prob. I'll keep back my name until your ready, then we can exchange names! How does that sound?"

"That sounds great," He said, smiling to himself.

"Yup," Toriel said.

"So, you wanna make more knock knock jokes?"

"Yeah, let's do that."