Your pov:
Call log:

Y: why isn't he with you?!

D: we might've.decided to check into possibly. Getting into getting into Lucifer's cage.

Y: dean, why did you leave him by himself?!

D: I thought he would be fine and i-i had a case to handle!

Y: dammit!  I don't wanna know what happened how it happened where he is just get bring your asses back here!

D: *sigh.* I'll try.

Ends call.

My heart felt heavy I could see flashbacks of what happened when Sam died the first time I was a wreck! I don't know how to react if I lose him again.

Flashback:

"Just promise me you'll bring him back!!" I say to Dean.

"(Y/n) I will fight to the death to make sure he comes back."

I hug him and he kisses my forehead in a brotherly way.

~~~~hours later.~~~~~~~
I am a nervous wreck hoping that Sam and Dean come back safely.
I'm pacing back and forth biting my nails when I hear a flutter Cas!
I look over and there he is.

"Cas where have you been?!"

"No time to explain we have to get to the cemetery!!"

Cas wraps his arm around me and poof we were there!

Sam was beating in deans face!

"Stop!!" I screech I ran over to them only to be pushed back by a force onto the ground.

Sam gathered the will to stop after Cas threw some sort of concoction at him in a bottle. And calling lucifer ass butt.

(Sorry if I mess up everything been a while since I revisited that episode.)

Before I knew it Sam was near the big pit with Michael  or his vessel.

"Sam no!!!" I tried to run over to him but dean grabbed me by my waist and pulled me back.

"I love you (y/n) always will," Sam said before jumping into the pit.

"Nooo!!" I cried into deans jacket he held me close and i cried harder.

=the next day.=

I packed my stuff in a bag as well as some pictures of Sammy and me.

And walked out.

"Y/n where are you going?" Dean asked.

"On my own hunting."

"You cant do that its reckless!!" Bobby yelled,

"I don't care!!" I yelled.

"I know you loved Sammy we did too and we are gonna miss him-"

"Dean save your sympathy for someone willing to hear it," I say.

From that day forward I've been hunting demons and monsters of all sorts killing them one by one or sometimes in packs.
I've done the stupidest things trying to get him back.
I've tried summoning spells, rituals, and even tried a crossroads demons.

Nothing worked.

So my final attempt was to kill Crowley.
I check my voicemails every now and then just Dean, Bob and Ellen trying to reach out and see if I'm ok. But I don't talk to anyone.
They keep trying to call me over and over I answer.

"Dean tell everyone to stop calling me I'm in the middle of something big."  I end the call immediately.

I summon Crowley into a demon trap.

"Hello, darling I see the hunting life has been treating you well." He says snarkily

"Shut up tell me how to get Sam out of Lucifer's cage or I will end you once in for all!"

" I'm sorry that's just not possible."

I take the angel blade and put it to his neck. "Then I guess you're no use to me." I was about to slice when Dean burst in.

"(Y/n)!!wait!!"

I look over and there is dean and.......sam?

"What the hell why is he here?!" Dean said looking at Crowley.

"Doesn't matter ill be on my way." Crowley disappeared just like that.

"Sam?" I say on the verge of tears.

"Yea it's me."

I splash him and dean with holy water.

"Why me?!" Dean yelled.

"I've been on the road on my own cant be too careful," I say.

I go over to Sam and hug him tightly and cry a bit. He hugs back and then kisses me. It was a really long kiss.

"Ugh come on I don't  wanna see that pull away already!!"

End of flashback.

God, I don't wanna go back or experience that again.

I hear the bunker door slam.
In comes Sam and Dean.

"Oh my god." I sigh in relief.

Sam comes over and hugs me. "I'm ok."

"You scared me so bad." I felt tears fall from my cheeks.

He kisses me sweetly,

"How about we just cuddle and watch tv?"

"That sounds like an excellent idea," I say.

The end,