We have revealed that the light novels Boku ga Aishita Subete no Kimi e ( To Every You I've Loved Before ) and Kimi o Aishita Hitori no Boku e ( To The Solitary Me That Loved You ) will be adapted into anime .
Therefore, the release of both novels was released simultaneously in June this year.
Synopsis Boku ga Aishita:
The story takes place in a world where traveling to parallel worlds is a common, everyday occurrence. Boku ga Aishita Subete no Kimi revolves around Koyomi Takasaki, a boy who lives with his mother after his parents' divorce. He tries to make friends at his new school, but his social awkwardness combined with a study-focused atmosphere means he is unsuccessful. One day, his classmate Kazune Takigawa approaches him and tells him that she is actually from World Line 85, where she and Koyomi are lovers.
Synopsis Kimi o Aishita:
It takes place with Koyomi Hidaka, a boy who lives with his father after his parents' divorce. He meets a girl named Shiori Satō in his father's research laboratory, and they begin a relationship that is slowly turning into love. But everything changes when their parents decide to get married and they decide to move to a parallel world where they are not half-siblings.
Finally, the novels can be read in any order the reader desires.
Via: ANN