Both VIZ Media’s Shonen Jump service and Shueisha’s MANGA Plus service released bonus chapters of Kaiu Shirai and Posuka Demizu’s The Promised Neverland manga and Koyoharu Gotouge’s Demon Slayer: Kimetsu no Yaiba manga on October 4, 2020.
The Promised Neverland‘s “Chapter 181.1” bonus chapter is titled “Special Side Story: The First Shot” and focuses on Ray. Shirai and Demizu launched The Promised Neverland manga in Shueisha’s Weekly Shonen Jump magazine in August 2016, and ended it on June 15, 2020.
The Demon Slayer: Kimetsu no Yaiba‘s “Chapter 205.1” bonus chapter is titled “Special One-Shot” and centers on Rengoku’s first mission. Gotouge launched the Demon Slayer: Kimetsu no Yaiba manga in 2016 and ended it on May 18, 2020.