Illustrator, character designer, and manga creator Atsushi Ohkubo made his manga debut in 2001 in Square Enixs Monthly Shonen GanGan magazine with the series B.ICHI. Soul Eater, his longest-running work to date, ran in the same magazine from 2004-2013 and went on to become an international bestseller with nearly 20 million copies sold worldwide. Soul Eater also received an anime adaptation that was broadcast on Cartoon Network. Ohkubo is currently working on the series Fire Force.