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The male protagonist was originally an ordinary courier in the world, but he was accidentally transported to the fairy world and received a system. During the dialogue with this system, he learned that his mission was to deliver express to everyone in the fairy world. Every time he completed a task, he would receive random rewards and face various difficulties. Do you think he can be domineering in the fairy world or just be an ordinary courier?

Weird things have been happening since the willow tree in front of my house was cut down