Fuku has slightly messy black hair. He looks cheerful most of the time.
Fuku is easy-going and wasn't afraid of expressing his loss.
Internet Go Arc
He and other insei wonder why Akira skipped his pro exam match.
He befriends Hikaru and they often play together.
Pro Exam Arc
During the pro exams, Fukui lags behind the forerunners and eventually fails. He beat Hikaru and Isumi, but only because they were mentally distracted.
Fuku's Go is very fast-paced. Despite that, he was strong as even Waya and Komiya has problems with defeating him, even though others like Isumi did not have any trouble beating him.
Shindou and Fuku relationship seems to be quite good especially as playmates for Go. As they both like to play fast-paced games. This was observed when they played many times together.
Fukui is Waya's Achilles heel, as Waya cannot ever beat him.
Isumi is much stronger than Fukui, but loses to him due to his emotional distractions.
The two are close friends and have about the same skill level.