Mei Nagano

Red Blood Cell / AE-3803

Takeru Satoh

White Blood Cell / U-1146

Mana Ashida

Niko Urushizaki

Sadawo Abe

Shigeru Urushizaki

Koji Yamamoto

Killer T Cell

Riisa Naka

NK Cell

Wakana Matsumoto

Macrophage

Maika Pugh

Platelet

Shota Sometani

Helper T Cell

Kyoko Fukada

Hepatocyte

Rihito Itagaki

Red Blood Cell

Ryo Kato

Senior Red Blood Cell

Seishirou Katou

Arata Takeda

Ainosuke Kataoka

Pneumonia Coccus

Shinya Niiro

Streptococcus pyogenes

Maju Ozawa

Staphylococcus aureus

Fukase

Leukemia Cell

Haru Iwakawa

Leukemia Cell as Myelocyte

Ken Mitsuishi

Trucking Company President

Shingo Tsurumi

Doctor

Takashi Tsukamoto

White Blood Cell

DJ Koo

Neuron

Rina Takahashi

Regulatory T Cell

Ryoko Yuui

Yuko Urushizaki

Wataru Ichinose

External Anal Sphincter

Izutani Rana

Platelet

Ameri Isomura

Platelet

Ema

Platelet

Haruna Hana

Platelet

Yuzu Yumoto

Platelet

Karen Amano

Platelet

Ishizuka Nanako

Platelet

Rinko Suzuki

AE-3803 (child)

Riko Suzuki

AE-3803 (young)

野田あかり

Niko Urushizaki (child)

Renwa Sato

Platelet

Osako Suzu

Platelet

Atsuko Hirata

Complaining Cell

Unabara Haruka

Aged Red Blood Cell

Ryusei Araoka

Internal Sphincter

Yoshihiro Kurita

Red Blood Cell

Ben Yuzawa

Red Blood Cell

Zen Shirahige

Myelocyte

Akito Nakamura

Myelocyte

Nakamura Yuto

Myelocyte

Kento Miura

Red Blood Cell

Shinichi Shirahata

Influenza virus

Mari Yamamoto

Influenza virus