My Supermarket Is Connected to the Three Realms

Wang Jie gets a yin and yang system. He can bring products from the Yang Realm to the Yin Realm for sale. Then take the goods from the Yin world back to the Yang world and make a lot of money! He can bring messages to people in the upper world, and he can also send messages to ghosts in the underworld and relatives in the upper world. He can bribe the underworld's secrets of life and death, modify the lifespan of people in the underworld, and can also help ghosts in the underworld bribe judges and arrange reincarnations. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.