On This Bizzare And Cruel World, I Receive The Power Of Despair

One day, human race face a near extinction events that devastated the earth. There was nothing left but despair and pain. But, then appear a young man with blonde hair whom when on his arrival all the disaster occur suddenly stop. Everyone tought that he's the savior for the human race, turns out it's all wrong. Meanwhile, 7 years after the apocalyptic events a young man named Gunawan tried his best, struggling to survived out of pickpocketing. But all of sudden, his life drastically change when he's killed and receive a misterious power from an unknown being.