MÃ -- 0 ( ã ã Ã -- ã 1\/4 ã , Emu x Zero ) is a Japanese comedy manga series by Japanese author Yasuhiro KanÅ ( author of Pretty Face ) . It is about a school that teaches students how to do magic and the crazy adventures of a normal boy who was admitted to the school under special circumstances . MÃ -- 0 is a Japanese comedy manga series written and illustrated by Yasuhiro KanÅ ( Pretty Face ) about a school that teaches students how to do magic and the crazy antics of a normal boy who was admitted under special circumstances .