I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 9 (manga) by Yusuke Shiba

How (not) to live a slow, laid-back life-max out your level andbecome the object ofaffections for a host of intriguing beings. In otherwords, between dungeon-crawling,demon cafes, and the rest of her family,Azusa's got little-to-no free time for herself!
Binding: Paperback / softback