Naomi Katagaki
main character
MOVIE
7.3
My TrackerPLANNING
Episode: 0 / 1
My Score:
Anime DetailsFINISHED
Estimated watch time
1h 38m
⚡ 1 days at 5 eps/day
Tags & Tropes
Time Manipulation92%Full CGI85%Philosophy79%Age Regression79%Coming of Age79%Heterosexual79%Tragedy79%Male Protagonist73%Urban70%School55%
overview details
Synopsis & Story
In Kyoto in the year 2027, Naomi Katagaki, a male high school student encounters a person who is claiming to be Naomi from 10 years in the future. Together, they must change the future and save a classmate, Ruri, whom the younger Naomi starts to date in three months.
Trailer
Watch on YouTubeWhere to Watch Officially
Availability, audio and subtitles vary by region and service.
Featured Cast & Voice Actors
Franchise Universe & Related Entries
Aniphoria guide
HELLO WORLD: should you watch it?
At a glance
HELLO WORLD has been well received, with an average AniList score of 73/100 — 52% of 32,496 ratings are 8/10 or higher.
It ranks #81 most popular film of all time, and #34 highest-rated film of 2019, and #10 most popular film of 2019 on AniList.
Of the 53.7K AniList users who started it, 1.3% dropped it, so it is very rarely abandoned; 49.4K have finished it.
As a 98-minute film, it fits in a single evening.
Best for viewers who enjoy Drama, Psychological, Romance — especially time manipulation, full cgi, philosophy, age regression.
Where it fits in the series
- Optional extras: Another World
Main cast & creators
- Director
- Tomohiko Itou
- Character design
- Yukiko Horiguchi
Opening & ending themes
Openings
- OP1“Opening Theme feat. AAAMYYY” by AAAMYYY
Endings
- ED1“Shin Sekai” by OKAMOTO'S
Theme data from AnimeThemes.moe.
HELLO WORLD FAQ
- How long is HELLO WORLD?
- HELLO WORLD runs 98 minutes (1 h 38 min).
- Is HELLO WORLD finished?
- Yes. HELLO WORLD has finished airing — the final episode aired September 20, 2019.
- Is HELLO WORLD based on a manga?
- No. HELLO WORLD is an original anime story, not adapted from a manga or novel.
- Who animated HELLO WORLD?
- HELLO WORLD was animated by Graphinica and directed by Tomohiko Itou.
- Who sings the opening of HELLO WORLD?
- The opening, "Opening Theme feat. AAAMYYY", is performed by AAAMYYY.
- Where can I watch HELLO WORLD?
- HELLO WORLD is listed on Netflix. Availability varies by region — check the streaming links on this page.