15-year-old Yoko, a young girl who is constantly tormented by her self-centered and devilish older sister Makiko, who works for a government office after having graduated from a famous university. But despite her ill nature, Makiko's actions tend to somehow make things better for those around her, causing others to praise her as an "ally of justice." * Shida Mirai as Nakata Yoko * Yamada Yu as Nakata Makiko o Natsui Runa as young Makiko * Mukai Osamu as Yoshikawa Naoki * Hongo Kanata as Okamoto Riku * Takizawa Saori as Yamashita Midori * Irie Jingi as Komori Taichi (Jumbo) * Nishiuchi Mariya (西内まりや) as Moriyama Chika * Nakamura Shizuka (中村静香) as Komatsu Kyoko * Shimura Rena (志村玲那) as Shimazaki Mai * Ishii Mieko (石井美絵子) as Horita Arisa * Sano Shiro as Nakata Goro * Tanaka Yoshiko as Nakata Haruko * Tokui Yuu as Nogami Koichiro * Hiraizumi Sei as Yoshikawa Katsuo * Yamaguchi Izumi (山口いづみ) as Yoshikawa Satomi
