Orange

In the animated series Orange, a high school student named Naho receives a letter from her future self, describing events that will happen in her life, including the transfer of a new student named Kakeru. The letter also contains advice on how Naho should act to prevent regretful decisions. As Naho follows the letter's instructions, she realizes that Kakeru's future is tied to her own actions, and she must make choices that will protect him. But as she learns more about Kakeru, she begins to question whether she can truly change the future.

You can stream Orange on: Apple TV

Some TV shows that have similar genres and were produced around the same time as Orange include Blue Eye Samurai, Arcane: League of Legends, Invincible, Common Side Effects, Star Wars: The Clone Wars, The Apothecary Diaries.