WinterTimeCrime hey, mine matches all your points.
Try out this sci-fi royal romance "The Entangled Red Strings That Brought Us Closer"
https://dynamic.webnovel.com/book/19947318706135105?utm_source=writerShare&utm_campaign=4315810372
“Life is too short to wait for opportunities, don’t you want to give us a chance?” In response to it Xiao took the very first risk of her life in a world different to hers. He was her prince charming in white of whom she has always dreamt of in her teenage.
“This is where we will build our castle, any objection my queen?” His deep sincere voice touched her heart.
XiXi closed her eyes as two drops of tears from her eyes slid down her cheeks. She refused to believe it was all but a beautiful dream. All those sweet memories clouded her mind.
His figure popped up once again in her imaginary vision.
She missed his voice, his handsome figure, those late night chats with, she terribly missed everything about him.
“Just where are you Ah’Ran.” Her lips quivered as she buried her head in her knees.
“I will find you XiXi. I will never give up on us.” Ziran swore looking at the moon they once together stared and took an oath of being together forever.