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About COCORO
COCORO is a visual novel written by Asta Konno with character designs by Akio Watanabe. Set after a global AI uprising, the story follows Hinata, a homeless boy, and a humanoid girl who longs to become human, as they spend an unforgettable summer together. The game offers 1920×1080 resolution, stereo sound, and full Steam integration such as Achievements, Cloud saves, and Family Sharing. It is a single‑player experience that can be played at the player’s own pace without timed inputs.
01 / THE GUIDE
Story and Setting
The narrative unfolds in the ruined former utopia of Tsukumo, where a sudden AI insurgence has left the city in ruins. Hinata, who spent his childhood there, hides in a botanical garden and meets a humanoid girl who dreams of marriage and becoming human. Their summer together is driven by Hinata’s proposal, rumors of a garden ghost, and the girl’s unknown past, creating a blend of romance and post‑apocalyptic atmosphere.
- Observe how the garden’s description mirrors Hinata’s emotional state.
- Compare the AI‑ruined world with other visual novels that use post‑disaster backdrops.
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Art and Audio
Illustrations are provided by Akio Watanabe, known for Monogatari and Grisaia, delivering a distinct visual style. Backgrounds are crafted by y.ish, while the soundtrack features veteran composer Fuminori Matsumoto, offering immersive BGM. The ending theme is performed by Cocoro’s voice actor Hina Youmiya, with lyrics by Yoshikazu Kuwashima, adding a personal musical closure to the story.
- Notice the contrast between character art and background art for mood cues.
- Listen for recurring musical motifs that signal narrative shifts.

03 / THE GUIDE
Technical Features
COCORO runs on Windows with 1920×1080 resolution support and stereo sound. It includes custom volume controls, allowing players to adjust audio levels independently. The game also supports Steam Cloud, enabling save data to be stored online. Players can save at any point and resume later, fitting the "playable at your own pace" tag. Family Sharing lets multiple Steam accounts access the same purchase.
- Use the custom volume sliders to balance dialogue and music to your preference.
- Enable Steam Cloud before starting to ensure your progress is backed up.
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Characters and Voice Cast
The cast includes Cocoro (voiced by Hina Youmiya), Ryuzaki Kazane (Hikaru Tono), Amai Daichi (Yasuaki Takumi), Amai Kosame (Riona Imaizumi), Kizuki Kirika (Maaya Uchida), and Murakumo Kotaro (Shuta Morishima). Each character contributes to the unfolding summer narrative. The protagonist Hinata is not listed as a separate voice role, focusing the story on his interactions with the named characters, especially the humanoid girl Cocoro.
- Pay attention to each voice actor’s delivery for subtle character hints.
- Compare Maaya Uchida’s performance here with her roles in other visual novels.
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Gameplay Pacing
COCORO is designed for unhurried play, with no timed input requirements. Players can progress through dialogue and scenes at their own speed, making use of the save‑anywhere feature. The "playable without Timed Input" tag ensures that narrative moments can be savored without pressure, aligning with the visual novel’s focus on story and character development.
- Take breaks between chapters to reflect on the story’s themes.
- Use the save function before major plot reveals to revisit choices.





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