清水比呂乃, Girl #10
Girl 10 Hirono Shimizu is a rebellious girl. In the manga and novel the girl with spiked hair has been involved with prostitution and drugs. On the island she is attacked by Kaori Minami and it is briefly stopped by Shuya. In the novel she shoots Kaori and runs away. In the manga she expresses interest in his offer but runs away after Kaori shoots her in the shoulder.