Following the sage advice of the wise wizard slime Wizy, Azusa and her family continue on their quest to save Falfa from the terrible fate of being stuck as a slime. They must journey across the land to find the great fighting slime Fighsly...When Fighsly refuses to help, there's only one thing Azusa can do-beat Fighsly at it's own game by winning the fighting tournament!
Buy I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 5 by Kisetsu Morita from Australia's Online Independent Bookstore, BooksDirect.