Kawai is Go amateur and a taxi driver and an supporter of Hikaru.
Kawai looks around to be 40-50 years old and has dark hair. He wears glasses with a rose colored lens and has a beard.
He is very supportive and fond of Hikaru Shindo and often messes up his hair.
Pro Exam Arc
Sai vs Meijin Arc
Sai Disappearance Arc
He plays at a go salon, where he met Hikaru.