He Starts with an Intellectual Disability and Relies on Eating to Upgrade.

I am... Xu Yumo. They said I was mentally ill and called me a freak. I can't ride a bike, I don't dare to stand tall, and I can't understand when others are talking. Until that day, the alien demon came. The teaching building collapsed, classmates died, and the teacher was torn in half in front of me. My cat picked up a bunch of strange cans and said: [Eat. I ate it. It tastes terrible. The moment I swallowed it, my mind suddenly started to clear up. I can see the weaknesses of monsters, hear the air trembling, and sense the lowest rules of this world. I picked up a steel pipe and walked down the corridor, stepping over the bodies, and people started walking behind me. They started calling me a hero. At the end, I saw a faceless thing standing there. He said to play a game. He wins and goes. If you lose, you will be buried with the world. I won. Then I died. —— I'm alive again. Sitting in the classroom. They said I was in a coma for a long time and forgot everything when I woke up. I am a mentally retarded fool. Afraid of heights, not speaking, either acquiescing or remaining silent. On my birthday, I remembered it all. I went to find my teacher, They jumped down one by one and looked back at me. I closed my eyes and danced. A line of words popped up in my mind: [Time 148921:12:59, from an altitude of 2m...] They started calling me a hero again. There is an additional software on the phone that I have never seen before. The above balance: [4. Dense transaction records. ——My name is... Xu Yumo. ——... I seem to have forgotten something.