Mecha: I Upgraded Endorphins First at the Beginning

There are no gorgeous magic and miracles in this world, only the struggles of ordinary people and the legend of man's victory over nature. Xu Kai was originally a genius mecha combat master, but when he was twelve years old, he inexplicably stopped improving his neural recruitment. Many drugs were used but could not improve by 0.01 Percentage point Reluctantly turned into a mecha designer But I never thought that all the improvement abilities I had lost were developed in my brain. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.