She was the Overall Commander of St. Gloriana Girls' College sensha-dō Team before Darjeeling took over and operated a British Cromwell Mk.VII tank.Earl Grey is a girl of average height with long blonde hair and light gray eyes. She is seen mentoring Darjeeling and Assam when they are first-years. She is normally calm, elegant and disciplined, but during matches she becomes more eccentric and energic, earning her the nickname "Devil on Cromwell". She also has eccentric methods of teaching.