Read Side Character Transmigrations: The Final Boss is No Joke on LightNovelHeaven.
System: Host, what is that thing in the sky?
Shi Sheng: An intergalactic spaceship.
System: …This is a cultivation world, where did an intergalactic spaceship come from?!
System: Host, what are you holding in your hand?
Shi Sheng: Xuanyuan Sword.
System: This is an advanced scientific world, where did an ancient divine sword come from?! Wait a moment… Host what are you doing?! Σ(°△°|||)︴
Shi Sheng: Breaking apart the main couple. ヾ(^▽^*)))
Note : ‘shipping’ is the term people use when they want two people to be a couple.