Gender Bender (trap) — this is when a character is forced to hide their true gender, for example, a boy pretends to be a girl, a girl pretends to be a boy. Typical plots:
1) a girl pretends to be a boy to sing in a famous pop group that only admits boys
2) a boy pretends to be a girl to study at a girls' school
3) a boy and a girl accidentally swap bodies for some reason, and now he has to learn to behave and talk like a girl, and she has to learn to be a boy.