Keiichi

Not much is known about Keiichi as he is only briefly seen. He is affectionate towards cats, in particular his own. He becomes very upset when his cat, Milord goes missing. He is very polite and cordial around his mum and he is trusted enough to answer the door unsupervised.

As he is still a child, he is quite small. He has brown eyes and his hair is colored brown in the anime.