![](https://cdn.animecharacters.io/images/characters/large/139770-9ada63b0.jpg)
Mannoko Oyamada (小山田 まんの子)
She is the 5-year-old daughter of Oyamada Mansumi and Keiko and the younger sister of Manta.
Voice Actors
Ryou Hirohashi
Japanese
Isabella Guarnieri
Portuguese (BR)
Nycolle González
Spanish
Veronica Cuscusa
Italian
Antonella Colapietro
French