Whim Manor and the Boy Who Wasn't
When Harper Wattson, a boy who gets bullied at school for looking like a girl, unwittingly ends up at an all-girls cosplay summer camp, he becomes sidekick to Wilhelmina “Whim” Manor, girl detective extraordinaire. Together, using the power of logic, makeovers, and ignoring adult authority figures, they'll battle evil witches, eviler corporations, and an army of... *spoilers!* [Sensitivity tag because this deals with mental illness and controversial social issues]