Poppu is a Big Sister??

Chiemi Chiba

Doremi Harukaze

Tomoko Akiya

Hazuki Fujiwara

Yuki Matsuoka

Aiko Senō

Rumi Shishido

Onpu Segawa

Nami Miyahara

Masaru Yada

Megumi Takamura

Lala

Naomi Nagasawa

Majorika

Sawa Ishige

Pop Harukaze

Ai Nagano

Reika Tamaki

Chigusa Ikeda

Shino Hanada

Mari Adachi

Onpu's Mom

Kyoko Donowaki

Nobuko Yokokawa

Tomoko Hiratsuji

Atsuko Okamura

Yuka Imai

Joou-sama

Nanaho Katsuragi

Seki-sensei (voice)