Mao Amachi

Mao Amachi is a 6-year-old boy in Ashibe's class. He sometimes accompanies Ashibe, Yuma, and Goma-chan on adventures.

Appearance
He has black symmetrical hair where both the overall appearance resembles a stylized capital M as well as an M shape in the center of his hair.

Mao is seen wearing a light blur T-shirt and dark red shorts with white socks. Mao is noted to look like Goma-chan.

Personality
He intercedes on behalf of Yuma to help him make the peace sign with his fingers to match Ashiya's hand gesture

Episode 1
Mao helps Yuma make friends with Ashiya who is a new student to his class. He walks back with them and Goma-chan after class. Together they are confronted by Sakata and his Big Bro.