Originally appearing as a background Character in Season 1, as of Season 2 he is in Fourth Grade and gains a slightly larger role.
Kota slightly resembles Mitsuki Inokuma, but he seems closer to resembling Yōko Inokuma. His hair is light brown with a slight reddish hue with brown eyes. He is normally depicted in a two-layer shirt and shorts with sneakers and socks.
Appearing rather quiet, Kota is known for being a consummate liar and often makes up weird tales alongside his sister. He is shown to care for and understand his sister very much, for instance, he comforts her when Yōko Inokuma accidentally ripped Mitsuki Inokuma's teddy bear.
- The name Kota means "sky" (空) (ko) and "thick, big" (太) (ta).
- Kota's surname Inokuma means "boar" (猪) (ino) and "bear" (熊) (kuma).