Genshin Impact: the System Gave Me a Girlfriend to Start With

[Not invincible + multiple heroines + system + time travel + imagination] [The combat power of the characters in this book may be different from the official history, please bear with me] After Bian Qiong was hit by a car, he found himself in a different world. He learned that this place was called the Teyvat Continent, a world without magic and supernatural powers. The system gives him 100% favorability of General Thunderbolt and Baalzeb. What will he do?