Grand Blue (2020) — AI Story Visualization

Plot Analysis Summary

A new university student is pulled into a lively diving club, where comic misunderstandings give way to the challenge of learning to dive together.

Story Structure — 5 Plot Phases

A Disorienting Arrival

Iori wakes naked on campus and cannot recall how he got there. His move to Izu and stay with his uncle at Grand Blue establish the new setting.

Key Events

• Naked Campus Awakening — Iori wakes naked and confused, unable to remember how he got there. Characters: Iori Kitahara Location: University campus
• Memory of the Sky — A recurring memory of a beautiful sky deepens Iori's confusion. Characters: Iori Kitahara Location: University campus
• Hidden Underwear — Iori discovers that his underwear has been hidden for him. Characters: Iori Kitahara Location: University campus
• Arrival on Izu — Iori arrives on Izu for university and plans to stay with his uncle. Characters: Iori Kitahara, Toshio Furukawa Location: Izu
• Grand Blue Shop — Iori stays with Toshio at the diving shop. Characters: Iori Kitahara, Toshio Furukawa Location: Grand Blue diving shop

The Club Pulls Him In

Iori's awkward reunion with Chisa follows a drunken gathering and an embarrassing incident. Peek-a-Boo draws Iori and Kohei into its circle, while equipment costs prompt the festival contest plan.

Key Events

• Reunion with Chisa — Iori's reunion with Chisa quickly becomes awkward. Characters: Iori Kitahara, Chisa Kotegawa Location: Grand Blue
• Drunken Embarrassment — After a drunken night, Iori embarrasses himself in front of Chisa. Characters: Iori Kitahara, Chisa Kotegawa Location: Gathering
• Carried Back Together — Club members explain that they carried Iori and Kohei back. Characters: Iori Kitahara, Kohei Imamura, Chisa Kotegawa Location: After the gathering
• Peek-a-Boo Draws Them In — The newcomers are drawn into Peek-a-Boo's boisterous circle. Characters: Iori Kitahara, Kohei Imamura, Chisa Kotegawa Location: Grand Blue
• Diving Gear Shopping — The group shops for equipment as Chisa's enthusiasm for the sea emerges. Characters: Iori Kitahara, Kohei Imamura, Chisa Kotegawa Location: Diving equipment shop
• Contest Prize Plan — Unable to afford gear, the newcomers are directed toward festival contests with prize money. Characters: Iori Kitahara, Chisa Kotegawa Location: Izu

Festival Misunderstandings

Iori helps Chisa enter the Izu Spring Festival contest, and they win. Her boyfriend joke creates jealousy and confusion, which Iori tries to dispel.

Key Events

• Contest Prize Plan — Unable to afford gear, the newcomers are directed toward festival contests with prize money. Characters: Iori Kitahara, Chisa Kotegawa Location: Izu
• Iori Helps Chisa Enter — Iori reluctantly helps Chisa enter the festival contest. Characters: Iori Kitahara, Chisa Kotegawa Location: Izu Spring Festival
• Contest Winners Announced — Iori and Chisa are announced as the contest winners. Characters: Iori Kitahara, Chisa Kotegawa Location: Izu Spring Festival
• Boyfriend Joke — Chisa's remark about celebrating with her unconscious boyfriend sparks jealousy and confusion. Characters: Iori Kitahara, Chisa Kotegawa, Kohei Imamura Location: Izu Spring Festival
• Iori Denies the Relationship — Iori tries to explain that the supposed relationship is a misunderstanding. Characters: Iori Kitahara, Chisa Kotegawa Location: Izu Spring Festival

Learning to Dive Together

The group practices essential diving skills in a pool, but Iori struggles and worries he will be left behind. He conceals his anxiety about his remaining air as Chisa and the others encourage him to continue.

Key Events

• Pool Skills Practice — The group practices buoyancy, mask clearing, and alternate air sharing. Characters: Iori Kitahara, Kohei Imamura, Chisa Kotegawa Location: Pool
• Iori Struggles — Iori struggles with practice and fears being left behind. Characters: Iori Kitahara, Chisa Kotegawa Location: Pool
• Air Supply Concealed — Iori hides his anxiety by understating how much air remains in his tank. Characters: Iori Kitahara, Chisa Kotegawa Location: Pool
• Encouraged to Continue — Chisa and the others urge Iori to continue so they can dive together. Characters: Iori Kitahara, Chisa Kotegawa, Kohei Imamura Location: Pool

An Unresolved Invitation

A teasing invitation to Chisa turns out to be a declaration of love for diving. The exchange ends with Iori's next step with the club and the characters' feelings unresolved.

Key Events

• Love of Diving — A teasing invitation is clarified as love for diving, leaving the next step unresolved. Characters: Chisa Kotegawa Location: Pool

Story Breakdown

• Campus Confusion — Iori's unexplained naked awakening introduces a mystery that frames his arrival in Izu.
  • Naked Awakening — Iori wakes on campus unable to remember how he got there.
  • Sky and Underwear — A recurring sky memory and hidden underwear add to his bewilderment.
• Starting Over — Iori relocates to Izu for college and stays with his uncle at Grand Blue.
  • Move to Izu — Iori arrives on Izu to attend university.
  • Grand Blue Stay — He stays with Toshio at the diving shop.
• Awkward Reunion — Iori's reunion with Chisa is complicated by his behavior after a drunken gathering.
  • Drunken Embarrassment — Iori embarrasses himself in front of Chisa.
  • Carried Back — Club members say they carried Iori and Kohei back after the gathering.
• Peek-a-Boo Circle — Iori and Kohei are drawn into the diving club and its activities.
  • Club Invitation — The newcomers become entangled with Peek-a-Boo's boisterous members.
  • Sea Enthusiasm — Chisa's enthusiasm for the sea becomes clear during equipment shopping.
• Festival Prize Plan — The cost of diving equipment leads the newcomers toward the Izu Spring Festival contests.
  • Equipment Costs — Iori and the others cannot afford their own diving gear.
  • Contest Entry — Iori reluctantly helps Chisa enter the contest.
• Winning Misunderstanding — The contest win leads to a joke that produces jealousy and confusion.
  • Festival Winners — Iori and Chisa are announced as winners.
  • Boyfriend Joke — Chisa's remark prompts Iori to explain that their supposed relationship is a misunderstanding.
• Pool Training — Iori and the others practice the skills required for diving together.
  • Essential Skills — The group practices buoyancy, mask clearing, and alternate air sharing.
  • Iori's Anxiety — Iori struggles and worries he may be left behind.
• Unresolved Next Step — The group encourages Iori, but the story leaves his progress with the club and the characters' feelings open.
  • Keep Trying — Chisa and the others urge Iori to continue so they can dive together.
  • Love of Diving — A teasing invitation is clarified as affection for diving rather than Chisa's sister.

Directed by

Tsutomu Hanabusa

Key Cast

• Ryo Ryusei — Iori Kitahara
• Atsuhiro Inukai — Kohei Imamura
• Yuki Yoda — Chisa Kotegawa
• Aya Asahina — Nana Furukawa
• Yuka Ogura — Azusa Hamaoka