ファルファ
from I've Been Killing Slimes for 300 Years and Maxed Out My Level
Falfa (ファルファ, Farufa) is one of the main characters of Slime Taoshite 300-nen, Shiranai Uchi ni Level Max ni Nattemashita series and is the oldest Slime Daughter of Azusa Aizawa. She is an energetic and outgoing girl, Falfa is a contrast to her sister, Shalsha. She is known for her loose and free nature and enjoys playing with others. Like her sister, she is very intelligent and adept in many fields, specifically practical arts and arithmetic.

I've Been Killing Slimes for 300 Years and Maxed Out My Level
After living a painful life as an office worker, Azusa ended her short life by dying from overworking. So when she found herself reincarnated as an undying, unaging witch in a new world, she vows to spend her days stress free and as pleasantly as possible. She ekes out a living by hunting down the easiest targets - the slimes! But after centuries of doing this simple job, she's ended up with insane powers...how will she maintain her low key life now?!

I've Been Killing Slimes for 300 Years and Maxed Out My Level (Manga)
After living a painful life as an office worker, Azusa ended her short life by dying from overworking. So when she found herself reincarnated as an undying, unaging witch in a new world, she vows to spend her days stress free and as pleasantly as possible. She ekes out a living by hunting down the easiest targets - the slimes! But after centuries of doing this simple job, she's ended up with insane powers...how will she maintain her low key life now?!

I've Been Killing Slimes for 300 Years and Maxed Out My Level (Light Novel)
After living a painful life as an office worker, Azusa ended her short life by dying from overworking. So when she found herself reincarnated as an undying, unaging witch in a new world, she vows to spend her days stress free and as pleasantly as possible. She ekes out a living by hunting down the easiest targets - the slimes! But after centuries of doing this simple job, she's ended up with insane powers...how will she maintain her low key life now?!