I met him at the window

A dream that often appears, a comic book manuscript carrying memories, a mysterious rescue plan. Due to a disappearance case twenty years ago, by chance, Xiaojiu obtained the manuscript of Zhang Yubo's novel, and thus gained the ability to enter a parallel world. Under the guidance of a mysterious force, Xiaojiu and Lianjie went on "time and space travel" again and again, and met Zhang Yubo and Lin Yitong in another world. Love, friendship, and deep friendship between classmates, a series of ridiculous and thrilling stories are staged in this world one by one. As the secret of Zhang Yubo's disappearance was revealed step by step, a mysterious incident in the library 20 years ago finally came to light. Four people from different time and space have their own minds, opening up a relationship that spans life and death...