
Mayumi Seto
瀬戸真由美
Японська

Оригінальне ім’я: 仲矢順子
She is chosen to be in the Sorority alongside Mariko Shinobu and Nanako Misonoo. ~!Junko is the first member of the Sorority who is expelled from it due to her bad grades, despite having a reasonable excuse (her bad health); Fukiko Ichinomiya humiliates her via exposing her case to everyone in the Sorority, and then demanding for her to resign, despite Nanako's objections.!~
