I've Been Killing Slimes for 300 Years and Maxed Out My Level
After dying of overwork in the real world, Azusa Aizawa is reincarnated as an immortal witch and spends 300 years enjoying a relaxing life and killing slimes; as soon as he reaches level 99, people rush in to challenge the world's strongest.
Starring
Yūki Aoi,
Kaede Hondo,
Sayaka Senbongi