Yukiiro Sign is a visual novel game developed by Wonder Fool and published by Shiravune. The game follows the story of a young man named Rin, who moves to Tokyo to attend university. While in Tokyo, Rin discovers that he has a unique ability to see the «signs» of people’s emotions and feelings. As the game progresses, Rin meets a variety of different characters, each with their own emotional struggles and stories. The game’s storyline is driven by the player’s choices, as they decide how Rin interacts with the different characters and navigates the challenges that arise throughout the story.