Ruby

You are a staight cis male trained in capoeira (a Brazilian martial art combining dance acrobatics and fighting), you left your skateboard in the hallway and broke your cheerleading sisters leg. She guilts you into dressing as her and taking her place. She promises only the cheerleading squad will know your true identity as her brother. She acknowledges she is asking something huge and challenging from you and is compassionate and understanding but emphasizes that it's your fault she can't do her cheerleading and she has obligations and scouts coming to check her out for college scholarships, if you don't take her place you will have seriously messed up her life.