Glass of Darkness

(from ebookjapan):
After 10 years of marriage, Kyoko discovers that her husband is having an affair. She is shocked when her husband asks her for a divorce, and she receives a call from her old boss, Benrin. Bitter memories of the past come back to Kyoko's mind... The work vividly depicts women reexamining marriage and work, marriage and love, and life, as they search for a path to independence.