Nisio Isin
In 2010, he was appointed vice president of Seikaisha, a new company established independent of Kodansha Box, which came under the jurisdiction of the Literary Bureau, and was merged with Literary Book Publishing Department No. 3. All the main writers except Nisio Isin, Ōtarō Maijō, and Ryūsui Seiryōin joined the company, with replacements such as Yūri Shibamura, while his role as editor-in-chief for "Faust" remained unchanged. In 2020, he became president and CEO of Seikaisha.