The first episode was on the train, and then went to the big library. That is a lily animation.

The main story line is that Ye Yue fell in love with Chumei who lived with her in her world, but Chumei suddenly disappeared on her 16 birthday. Under the guidance of the mysterious creature KEN-CHAN, Ye Yue meets Lilith in the big library and learns that Chumei is Eve, and Lilith falls in love with her because Ye Yue looks like Adam ... Here, Ye Yue learns that Chumei is Eve, but Chumei is now. Every world has a relatively independent story, including the thrilling spy intelligence war on the train; There are primitive tribes; A girl who didn't grow up on an island; The legend of Zhu Ji; Future space migration of human beings, and so on. Finally, all the people looking for Eve meet in the courtyard of the universe. Here, they finally met Eve who was looking for it day and night. ...