If My Wife Becomes an Elementary School Student.

Aoi Yûki

Marika Shiraishi

Aoi Yûki

Takae Niijima

Daisuke Hirakawa

Keisuke Nijima

Maiko Nomura

Mai Nijima

Sachiko Kojima

Chika Shiraishi

Kana Okazaki

Konomi Moriya

Mutsuki Iwanaka

Renji Aikawa

Mao Ito

Himari

Yu Hatori

Police Officer

Yu Hatori

Father

Yu Hatori

Delivery Man

Yuki Urushiyama

Shiori Kikuchi

Yuki Urushiyama

Waitress

Yuki Urushiyama

Hiroki's Son

Makoto Koichi

Takeru

Hozumi Gôda

Naomasa Okue

Daichi Fujiwara

Hoya

Naoko Fukuda

Junko Abe

Ryunosuke Watanuki

Uda

Misato Matsuoka

Miyuki

Kensuke Ôta

Renji's Father

Kaho Kôda

Chika's Mother

Takatsugu Chikamatsu

Customer

Takatsugu Chikamatsu

Koeda