Dressing up like 50 Shades of Grey's worktime version of Christian Grey shouldn't be a problem, since all he does is wear dapper suits.
But for 11-year-old Manchester boy Liam Scholes it was.
His school, Sale High School, was celebrating World Book Day, so he dressed up in a smart gray suit, and brought little zipties along with a mask as props for his costume.
However, the admin at the school didn't find his costume amusing and said he wouldn't be able to participate in the special day.
Liam's mom, Nicola Scholes, a primary school teacher, explained the whole odd situation: