Puniru Is a Kawaii Slime

Kotaro Kawaii (voice)

Mami Kirara (voice)

Yusuke Nanpa (voice) / Yusuke Nanpa / Traffic Cone (voice)

Hone-chan (voice) / Hone-chan / Cicada (voice) / World Kawaii Contest Presenter (voice) / Hone-chan / Young Man Grating Radish (voice) / Hone-chan / Polaris (voice)

Gо-yan (voice) / Gо-yan / Sun (voice) / Gо-yan / Canopus (voice)

Runrūn (voice) / Runrun / Cutie (voice) / Cutie (voice)

Alice Okanega (voice)

Hiroshi Mado (voice)

Takara (voice)