Onna-zakari: Shiroku nureta futomomo

女ざかり 白く濡れた太股

Also known as 家政婦は視た！　女ざかり母娘, 家政婦は視た！　女ざかり母娘 (おやこ)

After his mother's 49th day memorial service, graduate student Kazuo decides to spend the night at her villa, where he becomes interested in Eri, the widow next door. However, it turns out that the person Kazuo really loves is Eri's daughter, Rika...