Ship: miyuki/rei, Chris/miyuki, Oikawa/miyuki, oikawa/yamaguchi, oikawa/kageyama Momoi/aomine or Riko, rindou/your choice, Erina/hisako, tsukasa/Souma
Fandom: (what fandom the ship is from)
Major Tags: Sexual content (ish)
Other Tags: Needles (piercing), optional age gap

Prompt:
Piercing au: one of them gets nipple piercings, the other is the piercer

(Please only hygienic piercing practices, feel free to have any piercee character with tits)