TBH, I think the NAJ AU is one of the ONLY AUs (Besides the Lover's Quarrel AUs) that still has Bubbles x Noot be canon.

yeah-

Cross: (Kisses you on the lips)
Bubbles: (Noticed Noot was looking at her funny) ?

*kisses back*

AFTER CLASS..
Cross: Have a great Christmas, Mr. Dream!
Bubbles: (Was about to leave, but then gets stopped by Noot)

you too cross ^^ Nightmare: *blushing a little*

Bubbles: ?
Cross: (Happy boi)

Nightmare mind: why am i so nervous..?

Bubbles: Mr. Nightmare? Are you okay?
Cross: ^^

Nightmare: *nod*

AFTER SCHOOL..
Bubbles: (Got invited over to Noot's house) ?
Cross: (Happy)

*was also happy*

Bubbles: ...
Cross: (Making bad jokes)

*after lunch ?? tripped bubbles*

Bubbles: (Gets up and keeps walking)
Cross: (Talking to his new friends)

??: .

A FEW WEEKS LATER..
(BANG!)
Bubbles: (In Nightmare's class at the time) !!!
Cross: What was that?

nightmare: what the..!?

Cross: Was that... OH CRUD. Secure the door!
Bubbles: !!

nightmare: everyone kee quiet and hide!

keep*

mind: this is not good...

Bubbles: (Starts shivering in fear)
Cross: (Locks the door, then grabs one of the desks) Guys, help me move the desks. (Turns to you) I'm not taking any chances, Mr. Dream.

alright..

Cross: (Purr)

*kisses his forehead*

Cross: (Smiles at you)

*smiles back*

Cross: (Chu)

-//////-

THE DAY BEFORE CHRISTMAS BREAK..
Bubbles: (Ended up under the mistletoe in Noot's class)
Cross: (Holds some mistletoe over your head) Dream :3

hm?

Cross: Look up
Bubbles: ???
[Noot's trying to avoid kissing Bubbles in front of the whole class.]

*blushes*

Bubbles: (Scared)

...

A FEW DAYS LATER, AFTER SCHOOL..
Bubbles: (Got dared to visit the spook house [Noot's house])
Cross: (Knocks on your door)

*opens the door*

Cross: Hi! ^^

oh hello cross *smiles*

LATER..
Cross: (Hugging you)
Bubbles: (Being hugged by Noot)

*smiles*

Cross: ILY

i love you too

20 MINUTES LATER..
Bubbles: (Knocks on the door, shivering)
[Her bullies stole her jacket when she was halfway to Noot's house]
Cross: (Knocks on your door)

Nightmare: *opens door* me: *opened the door*

Bubbles: H-H-Hey Mr. Nightmare..
Cross: Hi Dream

Nightmare: ! bubbles what happened to your jacket? me: oh hello cross ^^

Bubbles: (Shivering)
Cross: (Hugs you)

Nightmare: come in and i will get you warmed up me: *hugs back*

5 MINUTES LATER..
Bubbles: (Being hugged by Nightmare)
Cross: (Cuddling you)

*cuddling back*

Bubbles: (Just letting Nightmare hug her)
Cross: I-I.. I love you.

Cross: (Keeps moving the desks)
Bubbles: (Hides behind the teacher's desk) *Scared*

*people helped cross move the desks*

Cross: (Once all the desks were placed in front of the door, he turns off the lights)
Bubbles: (Scared)

*everyone stays silent*

Cross: (Hugs you)
Bubbles: (Quaking in fear)

???: ...

Bubbles: (Trying not to cry)
?? 2: (Quietly to Mr. Nightmare) Um.. Mr. Nightmare? You might want to look under your desk. That quiet kid looks like she's about to cry.

Nightmare: ... *hugs her*

Cross: (Pats you on the back)
Bubbles: (Shaking)

nightmare: *comforting bubbles*

(NAJ rp?)
Bubbles: (Thinking: A new school, a new life! Things will go differently this time.)
Cross: Sis, you coming?
Bubbles: (Goes over to Cross)

yeah) Nightmare: *writing on the whiteboard*

THIRD PERIOD..
Cross: (Shy)
Bubbles: (Goes into Nightmare's class) H-Hi

Nightmare: oh hello there you must be the new student

Cross: (Shy)
Bubbles: (Nods)

*reading*

AT LUNCH..
Bubbles: (Being bullied) ...
Cross: (Sitting across the cafeteria)
{Hello?}

??: *laughs* stupid loser!

Bubbles: ..
Cross: (Making bad jokes)

*some of the people were laughing*

Bubbles: (Explains)
[She ended up being framed for stealing the principal's wallet by her rival, Albert.]

nightmare: ..

Bubbles: ...

nightmare: *hugs her*

Bubbles: (Hugs back)
[Asker: I wonder if Noot's gonna show his corrupted form to Bubbles?]

*cuddles cross*

Cross: (Cuddles back)
Bubbles: (Hugs Noot back)

*purrs*

Cross: ILY
Bubbles: (Starting to cry again)

i love you too

Bubbles: (Tries to get up, but gets pulled back by Nightmare) ?
Cross: (Kisses you on the forehead0

*blushes*

Cross: ^//^
Bubbles: U-Um.. Mr. Nightmare?

nightmare: hm?

*kisses cross's cheek* cute

Bubbles: W.. Why are you being so nice to me?
Cross: ILY

nightmare: well.. your kind and sweet me: i love you too

Bubbles: ...
Cross: (Kisses you on the lips)

*kisses back*

Bubbles: .. (Asks Mr. Nightmare if he wants to know what happened at her and Cross's old school)
Cross: ^^

nightmare: sure