Unlock Real-World Items and Cultivate Immortality in Another World

Once I traveled through time, I was trapped in another world, and I couldn't go back until I stayed there for twelve hours a day. In order to survive, I was forced to set up a street stall in another world. Fortunately, my stall was unusual: The lighter here is the fire of Samadhi crystal, the spicy strips are dragon breath and roasted meat, and a bottle of Erguotou can greatly increase the strength of the drinker. What's even better is that the Origin Stones earned here can be exchanged in reality at a ratio of 1:1! The system told me that I can also cultivate immortality, but there is a prerequisite, which is that I must unlock a whole set of supplies and sell them all. Until that day, when I unlocked the "Arms" category, the princess of the empire, the leader of the dragon clan, and the city management of the Dharma God level all blocked in front of my stall...