Girls being peeped on without their knowledge. Undressing to take a shower or something. For whatever reason it's surprisingly rare.
Even better if the girl has just discovered the peeper and looks indignant/outraged.
The classic
The entirety of the bath scene in Plastic Little was technically voyeurism as the two were being watched from above by male members of the crew.
>>1958432
Loli?
>>1958454
No, look at her classmates. They're well developed, she's just pettanko. Also look at her face, you need to learn what loli means.
>>1958425
Sauce?
Already tried reverse image search