In 2004, Haro Aso received Shonen Sunday’ s Manga College Award for his short story "YUNGE!" After the success of his 2007 short story "Onigami Amon," Aso got the chance to start a series of his own— 2008’ s Hyde & Closer. In 2010, his series Imawa no Kuni no Alice (Alice in Borderland) began serialization in Shonen Sunday S. Zom 100: Bucket List of the Dead is his follow-up series.
Kotaro Takata first hit the manga scene in 2009 with Hallelujah Overdrive! , which ran in Monthly Shonen Sunday magazine. In 2017, he served as the artist on another Monthly Shonen Sunday title called I Am Sherlock, written by Naomichi Io. Zom 100: Bucket List of the Dead is his follow-up series.