The Wutong Road in the same community hides the secret of two-way travel. The science top floor and liberal arts corridor of Wutong No. 1 Middle School are each engraved with the legend of a boy or girl becoming a god. Gu Chunchao's draft paper was filled with complex formulas, but it quietly turned red when he caught a glimpse of Lu Chunye out of the corner of his eye; Lu Xingye's composition text was full of delicate words, and there was a starlight that he dared not express in words hidden between the lines. They are the gods of learning in a parallel world, but in countless inadvertent moments, they move closer to each other step by step, hiding their secret love in the stars and spring tide of their entire youth.