https://blog.jlist.com/news/masako-watanabe-oldest-mangaka-releases-new-series/
Masako Watanabe, Oldest Mangaka Releases New Series | J-List Blog
Apr 27, 2020 - Not ready to retire just yet, the world's oldest manga creator, Masako Watanabe, debuted her newest work Himegoto, earlier this April.
masako watanabenew seriesj listoldestmangaka