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.