Jirou Yoshidayama  

, 吉田山 次郎

Broom-head refers to a person who has long hair styled in a way that resembles a broom. jirou is an individual who desires to become the top school bully but faces opposition from harima, his rival. in yagami, he wears his hair in two ponytails when it's not slicked back into its signature broom shape. this hairstyle resembles eris, leading to occasional confusion. jirou enjoys the concept of "swimsuit sumo" and appears to have a talent for it, as evidenced by his victory in a competition.