Dear My Abyss is a visual novel and adventure game in which players explore a mysterious story through interactive narrative choices. In this game, Subaru receives a sealed, foul-smelling book from an anonymous sender, which she and her friends decide to experiment with despite warnings not to read it. As she reads a bit of the book, strange and unsettling events begin to unfold around her, including disappearances and the appearance of mysterious individuals seeking the book, all set within a seemingly normal town. It stands out with its blend of psychological horror, supernatural themes, and intricate storytelling, offering players a deep narrative experience with multiple choices that influence the story's progression and outcome. The game features a compelling mix of visual novel elements and adventure mechanics, emphasizing character interactions and suspenseful plot twists.