Mayumi Seto (瀬戸真由美) is a Japanese voice actress who played numerous minor roles in the first season of the Sailor Moon anime. One of her recurring roles (usually credited as "Female Student" or "Girl") was Usagi's Fat Friend. She has played a handful of other anime roles, including Junko Nakaya in Brother, Dear Brother.
- Girl (eps 4, 18)
- Female Student (eps 5, 8, 10, 19)
- Yumiko (ep 7)
- Woman (ep 11)