Amnesia

This is a Japanese-language visual novel. On the 1st of August, you awake as the Heroine, with previous memories of who you are somehow snatched away from you. In your confusion, a mysterious spirit named Orion appears to help you regain your memories. You'll explore your own world as a complete stranger, trying to understand what was once familiar all while hiding your condition from the five men close to you. Because, as Orion warns, you may jeopardize any chance of recovering your memories if anyone finds out. Its now up to you recover the past to rewrite your future love story!