A letter to my beloved son: A widow accused of being a whore.

Chisato lives in the countryside as a widow. She is forced to live a life that cannot be described as wealthy, and is forced to send her only son to university on her own, sometimes falling behind in rent payments. Even though she knows how dirty she is because of the hardships of her life, she is labeled a prostitute by her childhood classmates and the landlord who has loved her like a daughter since she was a child, and becomes a slut in the village because she sells memories with her body for money. Her only happiness was when she thought of her beloved son and wrote a letter with a pencil...