HELLO WORLD

1Episodes

73/100Rating

98minDuration

FINISHEDStatus

Aired: 2019-09-20

Status: FINISHED

Ratings: 73/100

Genres: Drama, Psychological, Romance, Sci-Fi

Tags: Time Manipulation, Virtual World, Alternate Universe, Full CGI, Heterosexual, Augmented Reality, Age Regression, Rehabilitation, Male Protagonist, Tragedy, Coming of Age, School, Kuudere, Urban, Seinen, Magic, Female Protagonist

Total Episodes: 1

Duration: 98 min

Studio: Graphinica

Source: ORIGINAL

Format: MOVIE

Season: SUMMER

Release Year: 2019

Season No: 1

Director: Tomohiko Itou

Watch:Twitter, Official Site, Netflix

Synopsis

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.

🎬 Behind The Scenes

ud83dudca1 Creative Spark: The idea for HELLO WORLD came from a heartwarming dream the creator had about extraordinary and visually-stunning coming together in an epic adventure.

ud83dudcfa Premiere Buzz: When HELLO WORLD first aired, it trended worldwide within hours thanks to its visually-arresting opening sequence that blew fans away!

ud83cudfc6 Award Worthy: HELLO WORLD has been praised by critics for its outstanding storytelling and is considered one of the best 2025 anime of the decade.

ud83cudfa8 Animation Magic: HELLO WORLD's animation studio used exceptional techniques that took each episode from concept to screen in just 55 days!

Official Trailer

Main Characters

Naomi Katagaki

MAIN

Ruri Ichigyou

MAIN

Naomi Katagaki

MAIN

Yiyi Xu

SUPPORTING

Tsunehisa Senko

SUPPORTING

Misuzu Kadenokouji

SUPPORTING

Karasu

SUPPORTING

⭐ What Fans Are Saying (6 Reviews)

Anonymous FanSep 22, 2025

★★★★★ (90/100)

Was this helpful? 13

Anonymous FanSep 22, 2025

★★★★★ (90/100)

Was this helpful? 9

Anonymous FanSep 22, 2025

★★★★★ (90/100)

Was this helpful? 25

Anonymous FanSep 22, 2025

★★★★★ (90/100)

Was this helpful? 23

Anonymous FanSep 22, 2025

★★★★★ (90/100)

Was this helpful? 21

Anonymous FanSep 22, 2025

★★★★★ (90/100)

Was this helpful? 14

❓ Frequently Asked Questions (3 Questions)

Who is Ruri Ichigyou in HELLO WORLD?−

She is a silent person that usually looks unapproachable because she prefers to read and be alone instead of spending time with her classmates. She is very confident and serious about her decisions which is another reason she stands out most of the time. Gradually as the story progresses, she slowly opens up to some people around her because the main protagonist Katagaki Naomi was the first person to ever reach out and trying understand her. She is also very old fashioned and uncomfortable using electronic devices like her phone.

Who is Naomi Katagaki in HELLO WORLD?−

Katagaki Naomi is an ordinary high school student and especially doesn't have any social skills. He is usually seen reading novel books, but he gets to a point where he wanted some friends. His shy type of personality had eventually made him a loner. Naomi's failed attempts garnered him no friends even in his class, except Ichigyou Ruri.n~!He eventually ends up dating Ichigyou Ruri.!~

Who is Yiyi Xu in HELLO WORLD?−

Yiyi Xu is a professor and a scientist at Alltale Management Facility and colleagues of Tsunehisa Senko and Katagaki Naomi.nnShe is a serious and hardworking person and friendly towards her fellow workers. She loves to follow rules although Professor Senko's work habit rubs her eventually and in certainties follows his example. Just like when their group decided to throw a barbecue party at the facility hall at the time when the security guards are not roving their area. She has a habit of intruding someone's room and to make a 360 degree cleaning.nnWhen she gets worried, Yiyi frequently speaks on her native tongue.

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Exploring the Charm of Hello World: A Sci-Fi Anime Gem

Released in 2019, Hello World is a Japanese animated film that blends science fiction, romance, and coming-of-age themes into a visually stunning and emotionally resonant experience. Directed by Tomohiko Itō, known for his work on Sword Art Online and Erased, and produced by Graphinica, the movie offers a unique take on time travel, virtual reality, and the power of human connection. With its compelling narrative, breathtaking animation, and heartfelt moments, Hello World has carved a niche in the anime world, appealing to fans of both sci-fi and romance genres.

Plot Overview

Set in Kyoto in the year 2027, Hello World follows Naomi Katagaki, a shy and introverted high school student who prefers books to social interactions. His quiet life takes a dramatic turn when a mysterious figure—his future self from ten years later—appears before him. This older Naomi, hardened by time and experience, reveals that he has traveled back to alter a tragic event tied to Naomi’s classmate and love interest, Ruri Ichigyō.

Without spoiling too much, the story dives into a complex web of alternate realities, virtual simulations, and quantum mechanics. Naomi is tasked with saving Ruri from a devastating fate, all while grappling with his own insecurities and budding feelings for her. The narrative unfolds with twists that challenge perceptions of reality, making viewers question what is “real” in the world of the film. The blend of a high-stakes mission with tender, character-driven moments creates a balance that keeps audiences engaged.

Themes and Emotional Depth

At its core, Hello World is a story about love, sacrifice, and the courage to change one’s fate. The romance between Naomi and Ruri is portrayed with authenticity, capturing the awkward yet heartfelt nature of teenage relationships. Ruri, with her sharp wit and guarded personality, complements Naomi’s timidity, leading to moments of genuine chemistry that anchor the film’s more fantastical elements.

The sci-fi aspects, including time travel and a digital world called “Alltale,” introduce philosophical questions about free will and the nature of existence. The film explores whether one can defy a predetermined future and what it means to fight for someone you love, even when the odds seem insurmountable. These themes are woven into the narrative without feeling heavy-handed, making Hello World accessible yet thought-provoking.

Visuals and Animation

Graphinica’s animation in Hello World is a standout feature. The film’s depiction of Kyoto is lush and detailed, with vibrant cityscapes and serene natural settings that ground the futuristic story in a familiar reality. The use of 3D CGI, particularly in scenes involving the Alltale system, creates a striking contrast between the organic world and the digital one. Dynamic camera angles and fluid action sequences enhance the film’s energy, especially during its climactic moments.

The character designs, crafted by Yukiko Horiguchi (K-On!), are expressive and endearing, bringing Naomi and Ruri to life with subtle nuances in their expressions. The film’s color palette shifts between warm, nostalgic tones and stark, futuristic hues, mirroring the emotional and thematic shifts in the story.

Music and Voice Acting

The soundtrack, composed by 2027Sound, complements the film’s tone perfectly. The score blends electronic and orchestral elements, amplifying the sci-fi atmosphere while underscoring the emotional weight of key scenes. The theme song, “Shinsekai” by OKAMOTO’S, captures the film’s blend of hope and determination, leaving a lasting impression.

The voice acting is another highlight, with Takumi Kitamura delivering a nuanced performance as Naomi, capturing his growth from a hesitant teen to a determined hero. Haruka Fukuhara’s portrayal of Ruri brings depth to her tough exterior and hidden vulnerabilities. The supporting cast, including Minami Hamabe as the mysterious crow and Tori Matsuzaka as the future Naomi, adds layers to the ensemble.

Reception and Impact

Hello World received positive reviews for its ambitious storytelling and visual flair, though some critics noted that its complex plot might feel overwhelming for casual viewers. Fans praised its emotional core and innovative take on sci-fi tropes, comparing it to films like Your Name for its blend of romance and speculative fiction. The movie’s exploration of virtual reality and data manipulation feels particularly relevant in an era of advancing technology, giving it a timeless quality.

The film also spawned a spin-off series, Another World, which delves deeper into side characters and the Alltale system, further expanding the Hello World universe. This additional content has kept fans engaged, offering new perspectives on the film’s intricate world.

Why Watch Hello World?

Hello World is a must-watch for anime fans who enjoy stories that challenge the mind while tugging at the heartstrings. Its blend of sci-fi intrigue, heartfelt romance, and stunning visuals makes it a standout in the genre. While its narrative complexity may require a second viewing to fully grasp, the emotional payoff and memorable characters make the journey worthwhile.

Whether you’re drawn to stories of love defying fate or fascinated by the possibilities of virtual worlds, Hello World offers a fresh and captivating experience. It’s a reminder that even in a world of infinite data and alternate realities, the human heart remains the most powerful force of all.

Where to Watch: Hello World is available on various streaming platforms, including Netflix and Crunchyroll, depending on your region. Check local listings for availability.

Runtime: 1 hour 37 minutes
Rating: PG-13
Genres: Sci-Fi, Romance, Drama

Hello World is a testament to anime’s ability to blend innovation with emotion, making it a worthy addition to any watchlist.