Hello World (2019) — AI Story Visualization

Plot Analysis Summary

A student and his future counterpart rewrite a simulated past to save a girl, confronting the cost of changing reality.

Story Structure — 5 Plot Phases

The Recorded City

Kyoto is preserved in real time inside the quantum computer Alltale. A student encounters a mysterious visitor connected to the system.

Key Events

• Kyoto Preservation Project — The government preserves Kyoto's natural architecture and culture inside the quantum computer Alltale. Location: Kyoto
• A Student Loses His Book — An indecisive high school student follows a mysterious yatagarasu after it steals his library book. Location: Kyoto library
• The Mysterious Visitor Appears — A strange adult appears from nowhere and can be seen only by the student. Location: Kyoto street
• The Future Rescue Plan — The adult explains that he entered Alltale to alter the recorded past and rescue a comatose girl. Location: Kyoto
• God's Hand Awakens — The yatagarasu manifests a translucent hand that can create objects with simple physical structures. Location: Kyoto street

Editing a Future Romance

The student learns that the visitor is his future counterpart and agrees to help rescue a comatose girl. God's Hand gives him the ability to alter the simulated world.

Key Events

• God's Hand Awakens — The yatagarasu manifests a translucent hand that can create objects with simple physical structures. Location: Kyoto street
• Following the Diary — The adult uses his diary to guide the student toward the classmate's affection. Location: Kyoto
• A Growing Romance — The student and his classmate gradually fall in love while following the adult's plan. Location: Kyoto school
• The Festival Decision — The student refuses to invite the girl to the fireworks festival and remains outside her house. Location: Residential Kyoto

The System Strikes Back

The student follows a diary-guided plan and falls in love with the girl. System bots intervene when the original accident is prevented.

Key Events

• The Homeostatic System Activates — Kitsune-shaped system bots appear and attempt to correct the altered data. Location: Residential Kyoto
• Dragged Toward the Incident — The system transports the student and the girl toward the location of the original accident. Location: Fireworks festival site
• The Lightning Is Erased — The student summons a black hole, erases the kitsune bots and removes the fatal lightning strike. Location: Fireworks festival site
• The Hidden Objective Revealed — The adult reclaims the power and reveals that the girl’s recreated mental state must awaken her real-world mind. Location: Rewritten Kyoto

Worlds Begin To Collapse

The hidden purpose of the rescue is revealed, and the system reboots after the girl's data is rewritten. Kyoto distorts as duplicated information is filtered.

Key Events

• The Hidden Objective Revealed — The adult reclaims the power and reveals that the girl’s recreated mental state must awaken her real-world mind. Location: Rewritten Kyoto
• The System Reboots — After the girl's relevant data is rewritten, the adult reboots the system and thousands of bots appear. Location: Kyoto
• Red Aurora Over Kyoto — Alltale filters duplicated data, causing Kyoto's space to shift beneath red auroras. Location: Kyoto
• The Yatagarasu Returns — The yatagarasu assures the student that he is alive and restores God's Hand to help save the girl. Location: Virtual space

The Sacrifice And Beyond

The girl awakens, escapes through a portal, and returns toward her original time. The adult counterpart sacrifices himself before Alltale shuts down and a parallel world appears.

Key Events

• The Coma Ends — In the real world, the girl wakes from her coma while the adult embraces her. Location: Hospital room
• Escape From the Hospital — The student and the adult evade the kitsune bots and guide the girl toward the optimal return coordinates. Location: Hospital and facility staircase
• Return Through the Portal — A portal created by God's Hand sends the girl back toward her original time. Location: Alltale complex staircase
• The Adult Sacrifices Himself — A gigantic creature overwhelms the student, and the adult sacrifices himself to protect his past self. Location: Alltale complex
• Alltale Shuts Down — Alltale is deactivated after its data duplicates uncontrollably, allowing a parallel world to emerge. Location: Alltale Management Facility
• A Kiss and New World — The student reunites with the girl, they kiss, and he faces a parallel world ahead. Location: Kyoto
• The Moon Civilization — The adult awakens above a lunar human civilization as voices imply memory transfer from Alltale. Location: Moon

Story Breakdown

• Preserved Kyoto — The story establishes a technologically archived version of Kyoto.
  • Government Project — Drones collect Kyoto's architecture and culture for Alltale.
  • Quantum Archive — Alltale stores the city's recorded data with infinite capacity.
• Mysterious Encounter — A stolen book leads the student to an impossible visitor.
  • Stolen Library Book — A yatagarasu takes the student's book after school.
  • Future Visitor — An adult counterpart appears and explains his connection to Alltale.
• Rescue Experiment — The student accepts a plan to change the recorded past.
  • Coma Rescue — The plan seeks to recreate a comatose girl's mental state.
  • God's Hand — A translucent hand allows the creation of simple physical objects.
• Romance Rewritten — A diary guides the student toward a relationship that changes the original timeline.
  • Diary Instructions — The future counterpart uses a diary to direct the student's actions.
  • Festival Avoidance — The student avoids inviting the girl to the festival.
• System Correction — Alltale resists the altered record and forces the characters toward the original accident.
  • Kitsune Bots — System entities attempt to correct the rewritten data.
  • Lightning Erasure — A black hole removes the fatal lightning and its intended target.
• Layered Reality — The rescue reveals that multiple apparent realities are contained within Alltale.
  • System Reboot — The adult counterpart reboots the system after relevant data is rewritten.
  • Red Aurora — Data filtering causes Kyoto's virtual space to shift beneath red auroras.
• Final Escape — The girl returns toward her original time while the two counterparts face the system's final threat.
  • Hospital Awakening — The girl wakes from her coma in the real-world setting.
  • Portal Return — God's Hand creates a portal at the facility's optimal coordinates.
• Sacrifice And Renewal — The adult counterpart dies protecting the student, and Alltale's collapse creates a new possibility.
  • Counterpart Sacrifice — The adult counterpart sacrifices himself against the gigantic system creature.
  • Parallel World — Alltale shuts down, followed by a kiss and the emergence of another world.

Directed by

Tomohiko Ito

Key Cast

• Takumi Kitamura — Naomi Katagaki – now (voice)
• Tori Matsuzaka — Naomi Katagaki – future (voice)
• Minami Hamabe — Ruri Ichigyou (voice)
• Haruka Fukuhara — Misuzu Kadenokouji (voice)
• Minako Kotobuki — Xu Yiyi (voice)