Chizuko's Younger Sister Cast Hikari Ishida Tomoko Nakajima Sumiko Fuji Ittoku Kishibe Toshinori Omi Tomoka Shibayama Yuri Nakae Wakako Shimazaki Wakaba Irie Kazuko Yoshiyuki Noriko Nishiyama Naoto Takenaka Yoshitaka Zushi Etsuko Nami Bengal Yasufumi Hayashi Koen Okumura Kin Omae Yumiko Fujita Yasushi Sumita