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Mon amour (Defernull AU)

Summary:

Fri/ Aug 22/ 2025 Update: You can skip the first two chapters since they are just filler episodes/chapters, chapter 3 will be the ACTUAL start of my fanfic. Thank you for your patience and support. It will be released in a few days!

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I just really like the defernull/underfell au of Deltarune, they are such a werid pair which I see them as the same weirdo lovers we love, morticia addams and gomez which they will be the inspiration for this fanfic (fair warning idk how to write a good story lol)

Chapter 1: Filler 1/2

Summary:

[Not the actual story yet]

Notes:

(See the end of the chapter for notes.)

Chapter Text

(This is before the divorce)

Spamton was humming to himself as he walked towards the TV studios office, where he would find his beloved husband.

He opens the door with confidence, smiling ear to ear to see his whole vie sitting at his desk. Giving an awful glare at the papers. Tennas face stays that way as he looks up from the papers to look at his husband.

*"Whats with the roses?"

[Why it's for you my douce fleur! They reminded me of you! Such a beautiful red color and nice green thorns!] 

Spamton giggles to himself as he walked up to the side of the desk, placing the bouquet of roses on the table while on his toes to be able to reach.

[Don't you agree?] Spamton said while giving him a gentle smile and resting his head on the taller mans knee.

*"I don't care, they all look the same to me." he said while moving the bouquet close to his face and inhales deeply.

*"...they smell wonderful though."

Spamton chuckles and nuzzles his face into Tennas knee.

[I'm glad you love them too, my amour.] 

They stay the way they are for a couple minutes, enjoying each others company in silence. 

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After work, Tenna arrived at home after a long shift, stepping out of his car holding his bouquet in one hand while closing the car door with his free hand.

*This would've been less tiring if I wasn't wasting my time on these damn flowers.

Tenna said as he mumbled under his breath. Placing his hand on his shoulder, holding it steady before stretching his neck, he lets out a groan. At the same time, the front door flung open wide.

[Ah, bienvenue à la maison, my love you're home late. Everything okay back at the studio?]

Tenna just nodded his head slightly before making his way inside, Spamton closing the door behind.

[I made dinner, would you like for me to serve you plate?] he says as he rushed to stand infront of his husband.

Sighing, Tenna answered annoyed,   *No, that won't be necessary. At ate before I left work.

[Positive? I- I made your favorite today!! It's today's special!] he says while fidgeting with his hands.

*I'm not hungry. Don't ask again when I already told you two seconds ago.

[But-- today's our--]

Tenna cuts him off by giving Spamton the bouquet back to him.

*Put them in a vase, I don't want them dying on me, and I'm already going to bed. K'ay? 

He kisses Spamton on the cheek, heading to their bedroom, slamming the door shut as he entered.

 

Spamton stood where the taller mans left him standing for a few seconds, before nodding to himself. Headed to the kitchen, filling a glass vase with water, placing the roses in it, then going into the dining room to set the vase on the dining table.

There he cleans up the table he worked hard to set up, throwing away the food off of the only two plates, blowing off the candles, washed the plates. He makes his way to the living room couch, climbs it before laying on his side.

Falling fast asleep.

Notes:

I need to expand my vocabulary, lmao. Btw I don't know any French so hopefully I wrote the words correctly.
Ps. your gooning chapter will come soon.

I was listening to RuLe by Ado writing this chapter.