This was a well written and adorable opening. I know if I were Night Light and my daughter called me and then hung up I'd be pretty annoyed, but happy she at least called to say she was okay.

The restaurant burned down... That still cracks me up.

Great, date night story

I had my suspicions about the restaurant being on fire when the fire truck was mentioned, and how smoothly everything went thus far.
I had a couple of minor irritations with the chapter. It was written well, don't get me wrong. The following are basically nitpicks. For one, if they know each other so well - which was mentioned a couple of times -, Twilight should have known that Sunset would be pissed about her plans being ruined, right? Her being upset should not have come as a surprise, right? And on the other side, Sunset should have known that Twilight would be fine with this. Especially after she said that this fast food-date would be more memorable to her anyway. How could Sunset think 'she'll dump me over this' when literally nothing about this was her fault at any point? She's not the one who burned down the restaurant, or made the storm go haywire, or made the lightning strike her block. Everything that went wrong was out of her control. Why why would she ever think Twi would dump her over this?
/nitpicks
I still enjoyed the chapter a lot. It's always a darkly amusing premise. Bad luck. Everything that can go wrong, will go wrong. And how different characters deal with it.
Onward to the next chapter.

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Sunset Shimmer has a long history of self-esteem issues, and it's not something she ever really completely got over by the end of the series. She regularly second-guesses herself and beats herself up over mistakes, even those that aren't really hers. She tended to hide her accomplishments, and had some signs of imposter syndrome, being hesitant to accept praise or trust herself to operate alone and without the support of her friends. Being someone who has a lot of similar qualities to Sunset, these little details made a big impression on me and have vastly shaped how I write her. And as for Twilight... She never really got very good at reading people. She was kinda blinded to how much fun she was having on the date to not realize how little fun Sunset was having, especially considering that Sunset was bottling up her emotions. In the end, it was a communication error on their part, which is both typical of their characters, and of young couples.

Still, I'm happy that you otherwise enjoyed it! I hope you enjoy the second half as well!

Twilight however, was not so easily deterred. “So Sunset… Do you have any candles?”

Omg. I swear, I'm learning so much new words from reading this fic.

Without thinking, they kissed. Sunset pulled Twilight towards her, and she fell into it. Their embrace was beyond mere passion despite only being a connection of the lips. It was a conversation between their souls where no words were needed. From beyond universes, they found each other and their love would burn like the candle on the desk. Even though it may have been fleeting to certain eyes, it would undoubtedly burn until the end; strong, bright, and visible in the darkest corners of life.

Wow, this is really deep.

“Sunset, I need your phone. I need to call my father.” Sunset blinked a few times, before nodding silently. She realized that the two of them nearly crossed a line, and it was best to end the night here.

And I oop–

“Dad. It’s me, Twilight. I’m staying the night. I’ll see you tomorrow. Love you, bye.” Without waiting for a response, she hung up, and passed the phone back to a stunned Sunset. Her face firm with resolve, Twilight moved past Sunset, around the couch, and to the stairs leading to the bed. Sitting down on the bed at the top of the small staircase, she looked down at Sunset, who still hadn’t moved. Instead of speaking, she blushed deeply, and patted the sheets beside her with a hand.

WAIT WHAT? I am just as surprised as Sunset—

(I completely forgot there was a next chapter and I was like "NO, THIS CAN'T BE IT. I'VE BEEN ROBBED TOO MANY TIMES ALREADY")