I've Been Killing Slimes for 300 Years and Maxed Out My Level
Azusa Aizawa is reincarnated as an immortal witch; she collects and sells magic stones that drop off slimes from the nearby forest; after 300 years of selling these stones, she has maxed out her power.
Starring
Yūki Aoi,
Kaede Hondo,
Sayaka Senbongi