I've Been Killing Slimes for 300 Years and Maxed Out My Level (2021)

S1E1 I Maxed Out My Level

Aizawa Azusa, a weary corporate worker who perished from overwork in her past life, finds herself reborn in a new world. Here, she chooses to embrace a tranquil and mundane existence. However, after three centuries of effortlessly defeating slimes to maintain her laid-back routine, she unexpectedly reaches level 99, becoming the most powerful being around. As word of her strength begins to circulate, she soon faces the consequences of her newfound reputation, which leads to unexpected challenges and adventures.