He was hit on the head in a car accident and lost his memory. He vaguely dreamed of his past self and explored the secrets. In order to find the answer in the dream, he has been lurking beside the male protagonist, trying to take back everything that belongs to him. Who has been secretly protecting, framing, and using him? Everyone around him has become the most familiar stranger, and everyone hides unknown secrets. Sure enough, there is the best mask under the mask.
Purpose: Seeing clearly how good others are to you is the greatest responsibility you have for yourself