Hello World

Set in Kyoto in 2027, this science fiction romance follows Naomi Katagaki, a reserved high school student. Naomi is approached by a man who claims to be his own self from ten years in the future. Together, the two versions of the character work to alter the course of events to save the life of Ruri Ichigyou, a classmate and Naomi's first love.

The film was directed by Tomohiko Ito, following his work on Sword Art Online: Extra Edition and Sword Art Online the Movie: Ordinal Scale. It is the third film in his chronological directorial history, followed by The Keeper of the Camphor Tree. The screenplay was written by Mado Nozaki. The voice cast features Takumi Kitamura and Tori Matsuzaka as the present and future versions of Naomi, alongside Minami Hamabe as Ruri. Other cast members include Haruka Fukuhara, Minako Kotobuki, and Rie Kugimiya.

Produced by TOHO, Shueisha, East Japan Marketing & Communications, and MBS, the animation earned 25 million USD at the worldwide box office. Audience reception is generally positive, with a rating of 6.7/10 on IMDb from 5,100 votes and a higher score of 7.3/10 on TMDB based on 420 votes.