No More Need For Chains(2008)

Kusari wa mou Iranai

Yoshino is a competent worker in an office who has a relationship with her struggling junior, Aoi, another woman. Their relationship is put to the test when Yoshino gets wind that Aoi might be demoted and transferred if she continues to underperform at work. But she starts to wonder if perhaps Aoi's failure at work is her fault...