Responses

Spoiler:
After the final fight, people forgot Hajin’s existence. He lost his powers and became a pharmacist or something like that.
Though some people that knew about Evangel or the incident of the massacre remembered him, but Kim Suho never got back the memories of Hajin.
Nayun it’s literally miserable with depression and Hajin ended with the boss
Since some things changed from the novel, I hope that the ending is different