Siheyuan: Our Factory Doctor, Lao Yi Comes to See the Doctor in the Beginning

[Siheyuan+single female protagonist+relaxation+light violence+space+system] Li Ming was originally a delivery boy in the 21st century. By chance, he traveled to the world of courtyard houses and became the factory doctor of the Hongxing Steel Rolling Mill. Facing the beasts in the yard, he activated the return system. As long as he prescribed medicine to people, he could activate the system rewards... "Master, don't worry. If you take this medicine for two more months, I'm sure you can have a baby." "Ms. Jia Zhang, it's hard to get painkillers now. I have to pay a lot of money..." "Da Mao, are you sure you don't want to come and take a look at your illness?"