This sound is from That Time I Got Reincarnated As A Slime Soundboard

A second season of the anime series aired from January to September 2021. The light novel has been licensed in North America by Yen Press, who published the first volume in December 2017. It was later acquired by Micro Magazine, which published first light novel volume in 2014.
See also: List of That Time I Got Reincarnated as a Slime volumes, List of That Time I Got Reincarnated as a Slime episodes, List of That Time I Got Reincarnated as a Slime characters, That Time I Got Reincarnated as a Slime (season 2), That Time I Got Reincarnated as a Slime (season 1), and Eight Bit (studio).