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(Hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, and neon)... Li Yi, who has been playing mathematics, physics and chemistry for half his life, was fooled by elements. A collision of elements brought him to the unknown Wen Dynasty. Ancient times? Does that mean there's no point in playing science? It was good, there was a prince protecting him, although this status was a bit embarrassing... Li Yi thought it would be good to be able to enjoy the poetic and picturesque life of the ancients with peace of mind. Fortunately, I know a little bit about poetry. Fortunately, I have some talent. Fortunately, small commodities can make money to support my family. Li Yi, who only wanted to be an idler, could not have imagined that all his seemingly comfortable life plans would change on the coming-of-age banquet...