Wei and Xiaoyu, one has lived a life of dependence on others after graduating from elementary school, so he has developed a fragile heart under his arrogant appearance; the other is an optimist that everyone envies, but what is not known is her dual personality. The two parallel lines that did not intersect at first intersected at a corner...
An accidental turning point made them become siblings from then on... Xiaoyu wanted to spend time with him and silently take care of him, so that he could be happy, but after a drunken kiss from Wei, he said that he had fallen in love with Xiaoyu, which broke Xiaoyu's original peaceful life...
Where will the complicated emotional entanglement lead the two of them? What kind of future do they have?