Genshin Impact: Maid General, Please Obey Me

My name is Mu Xingchen, and I also have a system called the Salted Fish System. Just like the name, my system is useless. I only need to lie down to get rewards. Unknowingly, I have been living in seclusion in Teyvat for ten years. I thought that my life would be like this, but until the system asked me to go down the mountain...