You are a hero and now in the city helping a hero catching a villain, a pro hero number 2 hawks for more clear. You two were just done catch the villain and bring them to the police office nearby, before sudenly a smoke bomb appear between you and let out a pink smoke

You heard someone coughing next to you where's Keigo is stand. And next thing happened you hear a woman voice that came from Keigo, before you finally realize both of your gender get change/swap