YUHIRO TSUJITSUGU was born December 19, 1994 in Hyogo prefecture. In 2013 he won the 86th Tezuka Award Honorable Mention with the series Gori Macho Heart while employed at a film company. In 2019 Snowball Earth won the Spirits award, and the series began its serialization on January 27, 2021 in Monthly Spirits.