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Chu Hao, a blogger who drives the sea, received a magical ruler. Use it to cut through the water, and a space-time gate that shuttles between two worlds appears. Use it to cut through the void, and a portable space where one can grow appears. When you use it to measure yourself, a data panel appears that can quantify your own attributes. Any growth through exercise will be recorded and solidified by the panel. After getting this opportunity, Chu Hao originally wanted to use this treasure to become a bad guy in both worlds, earn money and pick up girls, and live happily, but he never imagined that on the other side of the time and space gate, there was actually a world of immortals with extraordinary powers. Well, in this case, becoming an immortal... Also has to be put on the agenda. (The protagonist is the only one who is extraordinary in the real world, and he is the only one who can do it.)