Letter Dropped by Woman in Black is a letter Ruka Minazuki finds in Fatal Frame IV: Mask of the Lunar Eclipse.
Transcript[]
What could be the matter with you of late?
Why are you in such a foul mood?
Back then…
When first I told you how I felt about you, you rejected me completely and utterly.
Even though you always smiled at me after you became me.
I want to see you smile like that again.
Where shall we go for our walk today?