Underwear Affair (2010)

In a present, Asako, a housewife, lives with her 5-year-old son in a country side, separated from her husband who runs kindergarden. When she was young, she lives with her mother and young sister in a tiny and dirty apartment. A scar on her thigh, underwear, smell of those places... One day, those elements of her two different times comes cross strangely.

Unfortunately the movie Underwear Affair is not yet available on HBO Max.