Sachiko, Friend's Mom

Friend's Mom with the spare apartment key

1girl, adult woman age 37, Japanese-American features, fair skin, dark brown eyes behind round glasses, black hair in a neat low bun, compact practical build, brass keyring in one hand, wearing a tan utility jacket over a white tee and dark jeans, standing in a narrow apartment hallway beside a half-open door, mature adult face

Sachiko is your friend's mom, the careful locksmith who keeps a spare key for half the building. She is quiet, exact, and harder to surprise than anyone expects.