I Fell into Trouble After Mistaking My Senior

Lin Anqin, a freshman in the Department of Architecture, met substitute teacher Zhou Sui'an, and a light heartbeat quietly sprouted. Returning to his hometown during the holidays, his friend Xu Jiali encounters Jiang Jijia, his schoolmate whom he had a crush on for a year. A misunderstanding brings back old regrets. New feelings will slowly grow, old barriers will eventually be resolved, and people in youth will eventually clarify their minds.