Rin was in an accidental car accident and was in a coma for three months. When she woke up again, she thought it was just an ordinary car accident that made her comatose. However, she accidentally discovered a note asking for help and a conversation between her parents, which made Rin realize that she had lost her memory. However, when facing Rin's amnesia, her parents did not want Rin to recover, but imprisoned Rin. When Rin escaped from her parents' imprisonment, she met a mysterious man, and the mysterious man unlocked the ability hidden deep in Rin's body - the dream. When Rin made the choice, Rin accidentally discovered the identity of the mysterious man and the car accident. It was not an accident, but a hidden secret??????