About “Kachō Kōsaku Shima”
Kosaku Shima is a Japanese manga series created by Kenshi Hirokane. It follows the life and career of a fictional salaryman named Kōsaku Shima. The series was first published in 1983 under the title Kachō Shima Kōsaku and has been serialized in Morning, a magazine published by Kodansha. The story has been divided into nine parts, with the latest part, Shagai Torishimariyaku Shima Kōsaku, beginning in 2022. (Summary adapted from Wikipedia, CC BY-SA 4.0.)