Henri is typically seen in the Fukuhara High School male uniform. He also wears a black buttoned-up shirt. He has brown, shaggy hair and round glasses. During the second half of NEXT, he stops wearing his school jacket due to the summer season.
He is a timid man, but has strong emotions and frequently shows his prowess as a leader. He often leaves a lasting impression on people he meets. After participating in the Under20, he has gained a lot of confidence in his fighting skill, leadership, and himself.