Yukiiro Sign is a visual novel game developed by Wonder Fool and published by Shiravune. The game is set in a fictional world where magic and technology coexist and follows the story of a young man named Akito, who has lost his memories. As the game progresses, players follow Akito’s journey to regain his memories and uncover the truth about his past. Along the way, players interact with a cast of colorful and diverse characters, including other magic users and technology specialists.