Yumemite Yumemi

Rank: Student Council's head of public relation Yumemi Yumemite is a part-time idol as well as the Student Council's Head of Public Relations. [spoiler]Yumemi has a two-faced personality. On the outside, she's a sweet, lovely girl who loves her fans above all. However, in reality, she's arrogant, calculated, and sadistic, who will do everything to be on top.[/spoiler] (Source: Kakegurui Wikia, edited)