Arisu Sakayanagi

Age: 16
Birthday: March 12
Height: 150 cm
Measurements: B70/W54/H77

She normally keeps her thoughts to herself and accepts most situations with no protest, though she voices her dislike of boring situations. Unlike Kouhei Katsuragi, who has a conservative stance, Arisu possesses an innovative attitude. The two each lead separate factions within Class A, though the majority of the class submit to Arisu.

(Source: You-Zitsu Wikia)