Attack on Karen 

A parody of the popular anime, Attack on Titan. Attack on Karen (also abbrevated as AOK) is a story set in 2020, where the world is plagued by a virus, called Corona and a mutated subspecies of humans started rising as a result of the virus. They are called Karens. The Karens look and act like us but they are always savage monsters who go aggressive on any human who denies their wishes by wanting to see the managers. Out of all humans the managers are most targeted by the Karens, eventually a group of humans make a wall and reside keeping the Karens away using a tech called Karen detector. Several squadrons are formed to fight the Karens and save the world from those savage creatures.

Attack on Karen is the best anime ever, even though its a parody of Attack on Titan.

Attack on Karen by Saitama 777 April 11, 2021