Full Name: Eri Kasamoto
Birthplace: Hiroshima, Japan
Position: Sparrows Government Intelligence Agency Special Forces, Staff Sergeant
Eri is an orphan; she was found near a church entrance while still an infant. After she had grown a bit, she ran away, joining and eventually becoming the leader of a street gang. This caught the attention of the military, who then drafted her into service. She would volunteer to join Sparrows, which would be approved by the military. She is a tomboy who knows how to fight.
In Metal Slug 6 and 7, she is a master of grenades; she gains twice as many grenades as normal and has the ability to aim them.