Mafia in the Underworld? {Mafiatale Undertale FanFic} (Sans x OC)

-19-

It's been a year since Jade has died and Jack left, disowning me for being the cause of his daughters death. I had locked myself away but kept the same, fake smile on my face. I played with Litho in silence as he squealed in laughter, making a story plot for the action figures as I played along. I heard footsteps near and I looked up to see New Paps, who I now call Carrot, stood with his hands in his pockets. He crouched down beside us.
"Sans wants you in your room, I'll take over for now," he said. I nod and stand up, walking out of Litho's room and into my room, where Sans stood. He had matching bags under his eyesockets as well as me.
"We need to talk," he said softly. I tensed.
"W-what is it?" I asked, my quiet voice raspy from barely speaking.
"You need to get over Jade's death... you haven't gotten any better. This is the first time since her death that I heard you speak. You don't get any sleep and your hair is almost fully grey with stress. You drink more often and you barely want to look at any of us," Sans said. I shook my head.
"You dont understand Sans, it was my fault she died," I whispered, feeling tears spring to my dull eyes.
"No it wasn't. Jade wouldn't want you to blame your-" I cut him off.
"Sans, stop right there. You don't understand! I let her get kidnapped because of me. Because I'm the Mafia leader! It's because I am the leader of the most powerful goddamn Mafia group in all! They knew I cared, and that's what got her taken. It got her killed, because of me! So if you think I shouldn't blame myself, you're wrong. I blame myself completely. I don't sleep because I feel that any second, someone else will be taken. I don't talk because I can't care. If I care, they will know and someone else will be taken and killed. I have so many deaths on my hands Sans. Now, if you'll excuse me. I have someone to avenge," I growled. He looked shocked, eye sockets wide. I changed into my usual white button up long sleeve and skirt, strapping my pistol and knife to my thighs. I tucked one into my combat boots and under the belt of my skirt. I pulled my hair into a pony tail and put on my black tie and suspenders that, yes, had pocket knives attached. I grabbed my duffle bag, stuffing with one rifle and lots of ammo.
"You aren't going alone," Sans said.
"Yes I am. And you aren't going to stop me," I growled as I slung the bag over my shoulder.
"You have a son to come home to. You have me to come home to. You better come back," Sans said softly. I turn to him with a tiny smile, kissing him gently.
"I can't promise that. But they deserve to be burning in hell. If it makes you feel better, I'll bring Fell and Carrot. They're strong and they'll have my back. I can't risk Litho having no parents," I said. He nods, pulling me into a deep kiss, one that showed all our emotions; sadness, fear, and love. We pulled away and I nod to him, kissing his cheek one last time.
"I love you," he said softly, pressing his forehead to mine.
"I love you too Sans, remember that," I said. I wasn't planning on surviving this.
"I will. You better remember I love you," he said with a sad grin, he knew I wasn't as well. The Mafia that hurt-no killed-Jade was large and only slightly less powerful than my family.
"I will. Goodbye Sans," I said.
"No goodbyes. Only see you laters," he said softly. I nod, not correcting myself as I walked out the room, to Litho's where Carrot watched Litho. I kissed Litho's head.
"Litho, Carrot, Fell and I are going to be away for a bit. Carrot and Fell will be back in awhile," I said.
"What about you mommy?" He asked, looking up. I smiled sadly as tears forced their way to my eyes.
"Mommy doesn't know if she will come back. But I love you so much Litho," I said softly.
"Will you leave like Jade did?" He asked. My breath hitched.
"Maybe. I'll do everything in my power to come back. Make sure daddy is happy, cheer him up whenever he needs it, okay bud?" I asked. He nods with a grin.
"Okay mommy! Love you," he said.
"Love you too, my handsome son," I said before nodding to Carrot. He nods, standing up and following me as I grabbed Fells arm, walking downstairs. I rang the small bells to alert everyone to come downstairs. Everyone swarmed downstairs, looking at the three of us in confusion other than Sans. I smiled weekly at him.
"What's going on my child?" Toriel asked.
"I will be gone. For who knows how long and I don't know if I will be back. Alphys, I want you to work to help everyone back to their AU's or help others into this one. I promise Fell and Carrot will be back. I'm getting revenge, that's all you need to know. If I don't come back with them, Asgore, I leave you in charge until my will is found. You were the king. You know how to control. I love all of you guys, this is a goodbye for awhile. I don't think I will live. But I promise you, if I do live, I will come back," I said, my voice loud but shaky at the end. Everyone looked shocked, a few were crying and I felt tears trying to escape but I pushed them away and with one final smile, we turned and left.