If My Wife Becomes an Elementary School Student

Nono Maida

Marika Shiraishi

Shinichi Tsutsumi

Keisuke Niijima

Aju Makita

Mai Niijima

Yuriko Ishida

Takae Niijima

Yoh Yoshida

Chika Shiraishi

Misato Morita

Konomi Moriya

Shunsuke Tanaka

Shinichiro Uda

Satoshi Iizuka

Nakamura

Kyotaro Yanagiya

Master

Ryunosuke Kamiki

Koga Yuri [Takae's brother]

Yosuke Sugino

Renji Aikawa

Rio Ogura

Yako

Ami Touma

Rion Izumo

Kaho Mizutani

Shiori Kikuchi

Kawaguchi Waku

Takeru

Tanaka Hanna

Miyuki

Harune Iida

Himari

Yoko Kondo

Yuka Izumo

Keitaro Takaku

Tatsuro Izumo

Riku Hagiwara

Toru Baba

Yoshiyuki Soejima