Tsukishima Karasu

One of the big three and daughter of a huge enterprise which is also the largest supporter of Garasunomiya school. She meets Saruyoshi when dying of boredom on hospital bed. Moved by his hot feeling and passion, she decides to help him with his ambition because it seems interesting. While Saruyoshi dresses up as a girl and go to Garasunomiya all-girls school, she also disguises as a boy to attend his all-boys school to get to know about boy.