The 41-year-old Park is the assistant editor-in-chief of Kodansha’s Morning magazine, and a former editor of Hajime Isayama’s Attack on Titan manga series.
The Tokyo Metropolitan Police Department arrested Chonhyon Park on charges of homicide on Tuesday.
According to the police’s Criminal Investigation Division, Park allegedly strangled his wife, 38-year-old Kanako Park, to death in the early morning of August 9 last year at their Sendagi home in the Bunkyō ward of Tokyo.
The entire family, including the wife and four children, were home at the time of the incident.