Short answers, pulled from the story.
The KonoSuba light novel series was created by Natsume Akatsuki and began as a web novel on the 20th of December 2012. The printed light novel series by Kadokawa Shoten ran from the 1st of October 2013 to the 1st of May 2020.
Kazuma Satou died while rushing to buy a game console and was struck by a truck. He was then mocked by a goddess named Aqua for his pathetic life before being offered reincarnation in a fantasy realm.
The first season of the KonoSuba anime adaptation produced by Studio Deen aired from January 14 to the 16th of March 2016. The second season aired from January 12 to the 16th of March 2017 and the third season ran from April 10 to the 19th of June 2024.
Megumin won Sneaker Bunko's official Favorite KonoSuba Character poll and was the sixth-highest vote in Newtype 2015, 16 Awards for Best Female Character. She is an explosion-obsessed archmage who can only cast one powerful spell per day.
By November 2021, the KonoSuba series had sold 10 million copies. The light novels ranked first among the top 50 best-selling digital manga and light novels in worldwide stores by BookWalker in January 2018.