Tsubame Koyasu

Birthday: April 4
Blood Type: A
Height: 163 cm

She is a third year senior at Shuchi'in Academy High School. As Vice-Captain of the cheer team she helped Yu Ishigami get accustomed to teamwork and other people, drawing the introvert out of his shell. Considered one of the four Impossible Girls at the academy, she's a cute teenage girl with blonde bangs and purple tinged tips and distinctive pink eyes. Often seen gym clothes, she's known as a renowned rhythmic gymnast.

(Source: Kaguya-sama wa Kokurasetai Wiki)