Fantasy: Latiao God of War and My Drama Sister

[Single female protagonist + humor + double cleanliness 1V1 + younger brother control + sister control] It has been three months since Xiao Yi traveled to this world. From a social animal, he has become a more glorious person in Lingxi Sect. A mortal handyman without spiritual roots. The only cheat is that the trace of intermittently active spirit in his body is said to be the blood of the ancient green dragon. But the biggest role of this bloodline is not to make him Long Aotian, but to make him... Especially resistant to hunger and has better endurance when escaping. In order to survive in the world of immortality with soaring prices, and to save some spiritual stones to buy something good for his sister Luo Wan Ning, Xiao Yi had to use his business acumen in his previous life and start some side business. For example, laxatives are packaged into bowel cleansing and detoxifying pills, chili powder is blown into flame burning powder, and occasionally modern mathematical knowledge is used to help people optimize the structure of low-level talismans. "This is the Shiquan Dabu Pill passed down from my family's ancestors. It is made from 81 kinds of precious medicinal materials and refined through 7749 processes. It is specially designed to treat Qi and blood deficiency, fatigue in cultivation, kidney deficiency... Cough cough, in short, the effect is outstanding!" … [Ding! Detecting the host's strong desire for survival, the Qinglong brand ultimate survival system (trial version) was successfully activated! Xiao Yi: "???" "No, why is your system so bad? Pinduoduo wholesales it, right?"