Seiya Ichijou

Оригінальне ім’я: 一条聖也

The young, ambitious manager of an underground casino owned by the Teiai Corporation. He is the mastermind of the Bog, a rigged pachinko machine in which every ball is worth 4,000 yen, with a payout of over 500 million. He is Kaiji's opponent in the second part of the manga.