ef- is an Age of Empires II player from Japan. Having completed 13 matches, ef- has built up solid experience in Age of Empires II. ef- focuses mainly on unranked matches.

ef- has yet to try ranked play in Age of Empires II. Data shows ef- selecting Spanish as their civilization 92.3% of the time. When playing flank, ef- wins 75.0% of the time (4 matches total).