Ґай Ґрінвуд

A friend of Oliver's and a member of the Sword Roses. Guy is cheerful and friendly, with a frank and pleasant personality and great thoughtfulness and concern towards his friends. He's unusually talented with the use of magical flora.

Guy later awakens as a curse user and has to temporarily leave the Sword Roses until he is able to control his powers, which upsets his friends, particularly Katie.