Secretly filming the late-night duty nurses' lesbian activities

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A hidden camera set up by a doctor on duty. Why a camera...?
I don't know why, but when I look through the recorded video, there are two nurses who devour each other's bodies.
Apparently, it seems that she is doing a lesbian act in between her busy work.

[Video details]
Capacity　652MG
Size 720: 480
Format: MP4
Length: 37 minutes 39 seconds