is a psychological horror adventure game that blends exploration, decryption, and challenging level design. The story begins with the protagonist searching for a "senior sister" who has been missing for three months. After receiving a mysterious video call from her, you are lured to an abandoned villa in the suburbs. Part 1: Exploration and Reaching the House
: Upon arrival, you'll encounter a red-eyed dog. Use bread and wine found nearby to put the dog to sleep so you can enter the house safely.
This initial segment focuses on atmosphere and basic environmental puzzles.
: The game can be punishing; missing a save after a difficult dungeon run is a common "rookie mistake".
: Inside the villa, interact with the piano to complete a mini-game. Successful completion rewards you with the key to your sister's bedroom . Core Gameplay Mechanics