Koizumi, Jou
Seiyuu / Dub
Summary
Jou Koizumi serves as the coach for the table tennis club at Katase High. Recognizing Smile's natural talent and potential in the sport, he makes a vow to personally train him. During his youth, Koizumi was regarded as the top table tennis player in Japan, earning the nickname 'Butterfly Joe' due to his exceptional skills. He notes that Smile reminds him of his younger self.
