Planned Release Date: 2026

About This Game

"Let's all protect the sheet music together at the Hatcho Detective Agency!"

<STORY>

You, the player, are hired as a part-time assistant to music detective Hatcho Shirabe.

In a peaceful town where crime never seems to occur, Shirabe and his team work as detectives, doing a jack-of-all-trades kind of job. Recently, they've received a disturbing email.

A phantom thief calling himself Canon the Phantom Thief is coming to steal an ancient sheet music with 1,000 years of history stored at the Music Culture Museum.

You, along with Shirabe, the director, and your assistant, Ellen, head to the museum to protect the sheet music.

<ABOUT>

"Shirabe Hatcho and the Ancient Score" is a music mystery ADV game where you solve puzzles using sound as a clue.

As an assistant to the detective Shirabe Hatcho, you unravel the music-related mysteries set by the phantom thief Canon, also known as the Phantom Thief.

This game features numerous "ear-solving" gimmicks, including audio, sheet music, and instrument performances.

Through exploration and conversation, you'll uncover the museum's hidden secrets and the thief's motives.

<FEATURES>

🎵 Original puzzles solved by distinguishing sounds

📜 Puzzle elements using sheet music and musical notation

🕵️ A story-driven ADV game driven by exploration and deduction

💡 Hint function included, so even those with poor pitch can rest assured

🌸 A mystery? A bright and light-hearted worldview

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

AI-generated illustrations are used in some of the game screen backgrounds.