The 2018 second and third combined issue of Shueisha’s Weekly Shonen Jump magazine has announced that Ryō Nakama’s Isobe Isobee Monogatari ~Ukiyo wa Tsurai yo~ manga will get a one shot side story titled “Sessha wa Salaryman” (I Am a Salaryman) on Shueisha’s Shonen Jump+ website on January 4, 2018. Shueisha is publishing the one-shot as part of a “one-shot festival,” where Shueisha will publish 19 one-shots between December 15, 2017 and January 6, 2018 on Shonen Jump+.
Ryō Nakama originally published the manga as a one shot, then he launched the serialized version in Weekly Shonen Jump in October 2013. The manga ended on October 16, 2017. Shueisha published the manga’s 15th compiled volume on November 2, 2017.