A Girl on the Shore

A Girl on the Shore

Year: 2021

Runtime: 108 mins

Language: Japanese

Director: Atsushi Ueda

DramaRomance

Two junior high school students, Keisuke Isobe and Koume Satou, find themselves in a casual relationship after Koume experiences heartbreak. Seeking comfort and a way to cope with emotional vulnerabilities, she begins a "no-strings-attached" relationship with Keisuke, a boy she had previously rejected. Their connection offers solace and unexpectedly changes their otherwise ordinary lives.

Warning: spoilers below!

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Timeline – A Girl on the Shore (2021)

Trace every key event in A Girl on the Shore (2021) with our detailed, chronological timeline. Perfect for unpacking nonlinear stories, spotting hidden connections, and understanding how each scene builds toward the film’s climax. Whether you're revisiting or decoding for the first time, this timeline gives you the full picture.

1

Koume and Misaki's first date leads to a rebound relationship

On their first date, Misaki coerces Koume into sex. Koume then uses Keisuke Isobe as a rebound and begins a casual sexual relationship with him. Although Isobe once liked Koume in the seventh grade, she does not return his feelings.

2

Koume spends time at Isobe's house while his parents are away

With Isobe's parents often away, Koume spends time at his house reading manga and listening to music. The two begin sexually experimenting with each other as their relationship deepens. Isobe also continues his brother's anime blog.

3

Isobe is haunted by his brother's suicide

Isobe is haunted by his brother's suicide, a memory that colors his moods and decisions. The lingering grief strains his relationship with Koume and fuels his emotional volatility.

4

Koume discovers a secret photo on an SD card

Koume receives a camera as a present, and Isobe gives her an extra SD card containing pictures of a girl on the shore. Jealousy prompts Koume to delete the images from his computer, and Isobe starts ignoring her. This escalating distance makes Koume realize she actually has feelings for him.

5

Isobe ends the casual relationship

Isobe ends the casual relationship with Koume, doing so out of boredom. Koume is left unsettled as she confronts his sudden withdrawal and the pull of his indifference.

6

Kashima confronts Isobe; they fall over a bannister

Shota Kashima, the school's top baseball player and Koume's childhood friend, confronts Isobe after rumors about their relationship. Isobe provokes him, and when Kashima rushes him, they topple over a bannister. Kashima injures his leg and is unable to compete in the prefectural tournament.

7

Koume leaves Misaki after a predatory advance

Koume hangs out with Misaki and his friends but leaves after he tries to pressure her into smoking cannabis and kissing him. The encounter exposes Misaki's predatory behavior and Koume's determination to step away. The episode marks a turning point toward her next relationship.

8

Koume visits Isobe; they have sex and discuss suicide

Koume visits Isobe at his house; they have sex, and he opens up about his plan to commit suicide. He tells her that his brother's death continues to weigh on him. Koume's presence becomes a fragile emotional anchor in a storm of conflicting feelings.

9

Koume plans to comfort Isobe with a music gift at the festival

Koume writes a letter for Isobe and buys a copy of a Happy End album containing Gather the Wind, which she heard at his house. She plans to give these to him at their school festival as a sign of support. The plan reflects her evolving feelings and her desire to reconnect.

10

Isobe clashes with Masaki and authorities over cannabis

On a day leading up to the festival, Isobe attacks Masaki and his friend and calls the police to locate illegal cannabis in their bags. The incident escalates tensions around the school and draws attention to Isobe's volatile state. It foreshadows the chaotic events surrounding the festival.

11

Festival day arrives with Isobe missing

At the school festival—the day of Isobe's birthday and the anniversary of his brother's suicide—Koume asks for Gather the Wind to be played, only to learn that Isobe has not attended school for three days. She desperately searches for him in the storm, but finds only a sticky note reading 'sorry.'

12

Isobe reappears with a new connection

A week later, Isobe returns cheerful and reveals that he met the girl in the photos and obtained her email address, aiming to get into her high school. His news signals a shift in his priorities and his willingness to pursue new connections. Koume watches from afar as his plans unfold.

13

Koume starts a new high school romance

In high school, Koume has a new boyfriend and shares a kiss with him, signaling her move on from Isobe. The change marks a new chapter in her romantic life. She remains emotionally unsettled by how things ended with Isobe.

14

Kashima confesses lingering feelings again

On the way home, Koume runs into Kashima, who reveals that he still has feelings for her. He confesses his enduring emotion, adding to the unresolved tension surrounding Koume's relationships. The moment hints at a potential future apart from Isobe.

15

Koume finds meaning by the sea

At the shore, Koume declares that she found something bigger than everything else: the sea. The moment crystallizes her broader, enduring sense of longing beyond the chaotic relationships she has experienced. The film closes on this contemplative note.

shore

Last Updated: October 01, 2025 at 10:24

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A Girl on the Shore Summary

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A Girl on the Shore Summary

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Characters, Settings & Themes in A Girl on the Shore

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