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About Secrets of the Heart
Secrets of the Heart is a story‑driven visual novel that follows Kato Shi, an ordinary girl whose life feels complete until a subtle emptiness pushes her toward new encounters. While assisting her photographer boyfriend, she meets diverse people and steps into unfamiliar worlds, making choices that reveal a hidden side of herself.
The free‑to‑play title offers more than 25 CG illustrations, runs as a single‑player experience on Windows, and includes Steam Achievements, Cloud saves, and Family Sharing. Developed by FallingDay, it encourages community interaction through a website link and Discord.
01 / THE GUIDE
Story and Characters
The narrative centers on Kato Shi, an ordinary girl with close friends and a loving boyfriend. Helping her boyfriend, a photographer, leads her to meet a variety of people and situations that broaden her perspective.
Through these meetings and player choices, Kato gradually discovers an unexplored aspect of herself, contrasting youthful camaraderie with older men whose intentions are ambiguous.
- Notice how each character’s dialogue hints at deeper motivations.
- Compare early scenes with later ones to track Kato’s personal growth.
02 / THE GUIDE
Visual Novel Format
Secrets of the Heart is presented as an AVG (Adventure Game Visual) where progress is made by reading text and selecting dialogue options. The player explores different locations and experiences multiple events and storylines as the narrative unfolds.
The structure emphasizes narrative over combat, relying on player decisions to shape the direction of the story and unlock various scenes.
- Take time reading each dialogue block to catch subtle hints.
- Experiment with different choices to see alternate story branches.
03 / THE GUIDE
CG Illustrations
Over 25 CG illustrations are included, providing visual highlights at key moments in the story. These images serve as visual highlights across the story.
The illustrations are presented as visual rewards woven into the story's presentation.
- Note the context in which each CG appears to appreciate its narrative significance.
- Save screenshots of favorite CGs for personal reference.
04 / THE GUIDE
Steam Features
The game supports Steam Achievements, allowing players to earn recognitions for completing certain story milestones. Steam Cloud and Family Sharing are listed among the game's Steam features.
These features are handled through the Steam client.
- Check the Achievements list to gauge story completion.
- Enable Family Sharing if you want others to try the game from your library.
05 / THE GUIDE
Platform Availability
Secrets of the Heart is currently available for Windows PCs via Steam. No macOS or Linux versions are listed, focusing development on the Windows platform.
As a free‑to‑play title, it can be downloaded without purchase and played in single‑player mode.
- Verify your Windows version meets Steam’s minimum requirements.
- Confirm the game appears in your Steam library after download.
COMMUNITY
Player discussion