Kimetsu no Yaiba or Demon Slayer has 1 season, The first season premiered on April 6, 2019 and ended on September 28, 2019 with 44 episodes + 1 Movie to be released in 2020 with the name of Kimetsu no Yaiba - Mugen Ressha-hen. As you can deduce, one season will be released approximately every year and will have 24 to 26 episodes respectively, this means that the Kimetsu no Yaiba anime is not constantly broadcast, so it leaves us eager to continue the story once we finish watching this anime, and if we want to do it we must know in which chapter of the manga the anime kimetsu no yaiba ended, in order to start reading the manga where the last anime episode left off. In total the anime has 44 episodes and the manga 205 chapters compiled in 23 volumes. If you want to follow the anime then I will show you in which chapter of the manga the anime of kimetsu no yaiba goes or rather in which chapter of the manga the anime ends, since currently the anime is in the fi...
If you want to read the Gantz manga this is the chapter that stayed after the anime: Gantz has 2 seasons. The first season premiered on April 10, 2004 with 21 canon episodes and 5 fillers. The anime ends in chapter 21 of which is equivalent to the chapters of Manga 89 So if you want to read the manga where the anime continues, you would have to start reading from chapter 90