ALL CHARACTERS are over 18 and consensually
Parvati and Padma Patil (Harry Potter)
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Just the two of them, no one else.
Wearing nothing but house ties
Padma Patil: Ravenclaw
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Parvati Patil: Gryffindor
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On a date with some boys from Slytherin house.
Playing on a human powered dido seesaw sort of like...
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Their not in a prison just a Hogwarts basement
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Parvati-- "Are we having fun yet?"
Padma -- "I am not sure. The boys are."